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ymcasf.org
Latin dominant · moderate lexical diversity · short-form declarative register · high clause nesting · narrow topic focus · moderate uncommon edge signal
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Entity Identity gdr-3ea47e06 · minted 2026-05-15T20:52:16Z
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ymcasf.org
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Latin dominant · moderate lexical diversity · short-form declarative register · high clause nesting · narrow topic focus · moderate uncommon edge signal
◈ Entity Topology Map
gdr-3ea47e06 · v1.0.0 · Law III+V+VI
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Latin dominant · moderate lexical diversity · short-form declarative register · high clause nesting · narrow topic focus · moderate uncommon edge signal
Federation ID
gdr-3ea47e06
Slug
ymcasf-org
TLD
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Interior Pages
3
Interior Words
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Minted At
2026-05-15T20:52:16Z
Law I — Provenance · Law II — Temporal Attestation Visit ymcasf.org ↗
SEO Record extracted from http://www.ymcasf.org/marin/
Title
Marin YMCA | YMCA of Greater San Francisco
H1
Marin YMCA
Meta Description
Join Marin YMCA for a variety of fitness classes, wellness programs, and community activities, fostering health and connection in the San Francisco area.
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https://www.ymcasf.org/location/marin-ymca/
Language Attribute
en-US
Word Count
700
Open Graph Tags
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Twitter / X Tags
twitter:card: summary_large_imagetwitter:label1: Est. reading timetwitter:data1: 1 minute
Full Extracted Text Corpus 27,281 chars · 3,964 words · 3 pages · Law I
Everything ymcasf.org said about itself — extracted verbatim from 3 pages, 3,964 words total. No editorial layer. No inference. Law III — the text is the measurement. Meaning is the reader's. Minted: 2026-05-15T20:52:16Z
◈ Homepage — http://www.ymcasf.org/marin/24-25 Annual Report: See how your partnership helps people Be, Belong, and Become across the Bay Area Youth & Family Teens Adults Health & Wellness Aquatics Community Resources JOIN DONATE Programs Courses Events Hours & Schedules Locations Careers About Get Involved Contact Us My Account EN ALL LOCATIONS Marin YMCA 1500 Los Gamos Drive, San Rafael CA 94903 (415) 492-9622 VIEW ALL PROGRAMS GUIDELINES & POLICIES Hours Facilities Programs Affiliated Locations Upcoming Events Stories VIEW ALL PROGRAMS GUIDELINES & POLICIES Our health and wellness facility offers members everything you need to get and stay well, with a pool, Y-Kids childcare, and a deep offering of programs and classes. We’re leading the community in wellness and youth development. FACILITY HOURS OUR FACILITIES Enjoy spacious fitness facilities, indoor pools, gymnasium and multipurpose rooms. Check out our Group Exercise Schedule and Gym and Courts Schedule. POOL WELLNESS FLOOR MULTIPURPOSE ROOM BASKETBALL COURT OUTDOOR WELLNESS CONTACT THE Y For more information contact Member Services at (415) 492-9622 or [email protected] CONTACT US FEATURED PROGRAMS VIEW ALL PROGRAMS CAMPS Summer Camp & Outdoor Programs Kids, Teens Bayview Hunters Point YMCA, Buchanan YMCA, Chinatown YMCA, Marin YMCA, Mission YMCA, Peninsula Family YMCA, Presidio Community YMCA Letterman Aquatics Center, Richmond District YMCA, Shih Yu-Lang Central YMCA, Stonestown Family YMCA, Treasure Island Community YMCA, Urban Services YMCA COMMUNITY PORTAL LEARN MORE BEFORE & AFTER SCHOOL CARE Before & Afterschool Programs Kids, Teens Bayview Hunters Point YMCA, Buchanan YMCA, Chinatown YMCA, Marin YMCA, Mission YMCA, Peninsula Family YMCA, Presidio Community YMCA, Richmond District YMCA, Shih Yu-Lang Central YMCA, Stonestown Family YMCA, Treasure Island Community YMCA, Urban Services YMCA LEARN MORE HEALTH & WELLNESS Outdoor Individual Circuits Ages 18+ Marin YMCA, Peninsula Family YMCA, Presidio Community YMCA, Stonestown Family YMCA LEARN MORE HEALTH & WELLNESS Group Exercise Active Older Adults, Adults Bayview Hunters Point YMCA, Buchanan YMCA, Chinatown YMCA, Dogpatch YMCA at Crane Cove, Embarcadero YMCA, Marin YMCA, Mission YMCA, Peninsula Family YMCA, Presidio Community YMCA, Richmond District YMCA, Stonestown Family YMCA, Treasure Island Community YMCA LEARN MORE HEALTH & WELLNESS Pickleball Adults Embarcadero YMCA, Marin YMCA, Peninsula Family YMCA, Presidio Community YMCA, Stonestown Family YMCA LEARN MORE FAMILY RESOURCE CENTERS YKids 3 Months – 10 years Marin YMCA, Peninsula Family YMCA, Presidio Community YMCA, Stonestown Family YMCA LEARN MORE AFFILIATED LOCATIONS VIEW ALL LOCATIONS Brookside Lower Campus VIEW LOCATION Rancho Elementary School VIEW LOCATION Manor Elementary School VIEW LOCATION Loma Verde Elementary School VIEW LOCATION San Ramon Elementary School VIEW LOCATION Hidden Valley VIEW LOCATION UPCOMING EVENTS SEP 20 FUNDRAISING EVENT 14th Annual Richmond District YMCA Jog in the Fog – 5K Family Fun Run Mountain Lake Park Richmond District YMCA September 20 at 08:00am Price: $10 – $55 REGISTER LEARN MORE SEP 28 FUNDRAISING EVENT 41st Annual Chinatown YMCA ARO Golf Tournament and Crab Feed Golf Tournament at Lake Merced Golf Club, Crab Feed at the Chinatown YMCA Chinatown YMCA September 28 at 08:00am Price: $80 – $3350 REGISTER LEARN MORE OCT 19 FUNDRAISING EVENT Mission YMCA Pro-Am Golf Tournament Pasatiempo Golf Course, 20 Clubhouse Road, Santa Cruz, CA 95060 Mission YMCA October 19 at 10:00am REGISTER LEARN MORE STORIES & IMPACT VIEW ALL BLOG PRESS RELEASE YMCA of Greater San Francisco Raises More Than $515,000 at Y for Youth VIP Reception PRESS RELEASE YMCA of Greater San Francisco’s Y for Youth Community Festival & VIP Reception Supports 10,000 Bay Area Youth   PRESS RELEASE New Study Shows the Life-Changing Power of Cognitive Behavioral Therapy-Based Youth Mentoring  BECOME A MEMBER Something for everyone, all in one place! Being a part of the Y means convenient, all-inclusive access to all of the benefits and amenities you need. JOIN TODAY YMCA of Greater San Francisco 169 Steuart Street San Francisco, CA 94105 CONTACT US About Us Mission & Vision Our Leadership Careers Press Partners Financial Disclosures Quick Links Programs Calendar Hours & Schedule Group Exercise Schedule Get Involved Blog Locations Policies Stay Updated Email Address (Required) SIGN UP By signing up for our newsletter you agree to our privacy policy. Social Media Join the conversation and be the first to learn about promotions and events. DONATE MEMBERSHIP NEW © YMCA of Greater San Francisco 2026. All Rights Reserved Terms & Conditions Home ◈ Interior Pages — 3 pages crawledMarin YMCA | YMCA of Greater San Francisco 24-25 Annual Report: See how your partnership helps people Be, Belong, and Become across the Bay Area Youth & Family All Youth & Family Overview The Y is committed to nurturing the potential of every youth and teen in our community. learn more Featured Camps Before & After School Early Childhood Education YKids Youth Sports Quick Links Youth & Family Programs Youth & Family Calendar Teens All Teens Overview The vision of the YMCA of Greater San francisco is to be a catalyst in youth development and social innovation. learn more Featured Social Entrepreneurship Program Youth Empowerment Fund (YEF) Youth Support Services Workforce Development quick links Teen Programs Adults All Adults Overview The YMCA of Greater San Francisco believes in supporting adults of all ages and types. We offer programs for everyone to have the ability to become their best selves. learn more Featured Membership Adult Tennis Group Exercise Schedule Gym & Courts Schedule Virtual Wellness quick links Active Adults (AOA) Adult Programs Tennis Schedule Health & Wellness All Health & Wellness Overview No matter your ability or experience, the Y is here to help support you every step of the way. learn more Featured Brain Health Diabetes Prevention Program Group Exercise Wellness Coaching Orientations Personal Training Virtual Wellness Download the Mobile App Quick Links Group Exercise Schedule Gym & Courts Schedule Health & Wellness Programs YMCA 360 Login Aquatics All Aquatics Overview Group, Private and Semi-Private Swim Lessons are an opportunity to work with a Certified YMCA Swim Lesson Instructor. learn more Featured Group Swim Lessons Masters Swim Private and Semi-Private Swim Lessons Swim Team quick links Pool Schedule Aquatics Programs Aquatics Events Community Resources All Community Resources Overview At the Y we have Community Resources that are based on community need to connect you with information, support, assistance, and resources. learn more featured Food Assistance Community Resource Center Family Resource Centers Employment Services Academic Support Mental Health Resources Community Enrichment Quick Links Community Programs Community Events Equipment Schedules All Test Join Donate Programs Courses Events Hours & Schedules Locations Careers About Get Involved Contact Us My Account All Locations Marin YMCA 1500 Los Gamos Drive, San Rafael CA 94903 (415) 492-9622 view all programs guidelines & Policies View Links Hours Facilities Programs Affiliated Locations Upcoming Events Stories View All Programs Guidelines & Policies Our health and wellness facility offers members everything you need to get and stay well, with a pool, Y-Kids childcare, and a deep offering of programs and classes. We’re leading the community in wellness and youth development . Facility Hours Hours Monday 5:30 am–9:00 pm Tuesday 5:30 am–9:00 pm Wednesday 5:30 am–9:00 pm Thursday 5:30 am–9:00 pm Friday 5:30 am–9:00 pm Saturday 7:00 am–5:00 pm Sunday 7:00 am–5:00 pm Contact 1500 Los Gamos Dr, San Rafael, CA 94903 (415) 492-9622 [email protected] Holiday Hours Monday, May 25 (Memorial Day) 7:00 a.m. – 2:00 p.m. Pool Closes at 1:30 p.m. Friday, June 19 (Juneteenth) 7:00 a.m. – 2:00 p.m. Pool Closes at 1:30 p.m. Our Facilities Enjoy spacious fitness facilities, indoor pools, gymnasium and multipurpose rooms. Check out our Group Exercise Schedule and Gym and Courts Schedule . POOL WELLNESS FLOOR MULTIPURPOSE ROOM BASKETBALL COURT OUTDOOR WELLNESS Contact The Y For more information contact Member Services at (415) 492-9622 or [email protected] Contact us featured Programs View all programs Camps Summer Camp & Outdoor Programs Kids, Teens Bayview Hunters Point YMCA, Buchanan YMCA, Chinatown YMCA, Marin YMCA, Mission YMCA, Peninsula Family YMCA, Presidio Community YMCA Letterman Aquatics Center, Richmond District YMCA, Shih Yu-Lang Central YMCA, Stonestown Family YMCA, Treasure Island Community YMCA, Urban Services YMCA Community Portal Learn More Before & After School Care Before & Afterschool Programs Kids, Teens Bayview Hunters Point YMCA, Buchanan YMCA, Chinatown YMCA, Marin YMCA, Mission YMCA, Peninsula Family YMCA, Presidio Community YMCA, Richmond District YMCA, Shih Yu-Lang Central YMCA, Stonestown Family YMCA, Treasure Island Community YMCA, Urban Services YMCA Learn More Health & Wellness Outdoor Individual Circuits Ages 18+ Marin YMCA, Peninsula Family YMCA, Presidio Community YMCA, Stonestown Family YMCA Learn More Health & Wellness Group Exercise Active Older Adults, Adults Bayview Hunters Point YMCA, Buchanan YMCA, Chinatown YMCA, Dogpatch YMCA at Crane Cove, Embarcadero YMCA, Marin YMCA, Mission YMCA, Peninsula Family YMCA, Presidio Community YMCA, Richmond District YMCA, Stonestown Family YMCA, Treasure Island Community YMCA Learn More Health & Wellness Pickleball Adults Embarcadero YMCA, Marin YMCA, Peninsula Family YMCA, Presidio Community YMCA, Stonestown Family YMCA Learn More Family Resource Centers YKids 3 Months – 10 years Marin YMCA, Peninsula Family YMCA, Presidio Community YMCA, Stonestown Family YMCA Learn More Affiliated Locations View All Locations Brookside Lower Campus view location Rancho Elementary School view location Manor Elementary School view location Loma Verde Elementary School view location San Ramon Elementary School view location Hidden Valley view location --> --> Upcoming Events --> --> --> Sep 20 Fundraising Event 14th Annual Richmond District YMCA Jog in the Fog – 5K Family Fun Run Mountain Lake Park Richmond District YMCA September 20 at 08:00am Price: $10 – $55 Register Learn More Sep 28 Fundraising Event 41st Annual Chinatown YMCA ARO Golf Tournament and Crab Feed Golf Tournament at Lake Merced Golf Club, Crab Feed at the Chinatown YMCA Chinatown YMCA September 28 at 08:00am Price: $80 – $3350 Register Learn More Oct 19 Fundraising Event Mission YMCA Pro-Am Golf Tournament Pasatiempo Golf Course, 20 Clubhouse Road, Santa Cruz, CA 95060 Mission YMCA October 19 at 10:00am Register Learn More Stories & Impact View All Blog Press Release YMCA of Greater San Francisco Raises More Than $515,000 at Y for Youth VIP Reception By Donna Glass Press Release YMCA of Greater San Francisco’s Y for Youth Community Festival & VIP Reception Supports 10,000 Bay Area Youth By Donna Glass Press Release New Study Shows the Life-Changing Power of Cognitive Behavioral Therapy-Based Youth Mentoring By YMCA of Greater San Francisco Become A Member Something for everyone, all in one place! Being a part of the Y means convenient, all-inclusive access to all of the benefits and amenities you need. join today ← Back to Events & Classes Marin YMCA <span class="tribe-address"> <span class="tribe-street-address">1500 Los Gamos Drive</span> <br> <span class="tribe-locality">San Rafael</span><span class="tribe-delimiter">,</span> <abbr class="tribe-region tribe-events-abbr" title="California">CA</abbr> <span class="tribe-postal-code">94903</span> <span class="tribe-country-name">United States</span> </span> (415) 492-9622 May 12 – 4:30 pm – 5:00 pm Marin YMCA 1500 Los Gamos Drive San Rafael , CA 94903 United States (415) 492-9622 ← Back to Events & Classes Marin YMCA <span class="tribe-address"> <span class="tribe-street-address">1500 Los Gamos Drive</span> <br> <span class="tribe-locality">San Rafael</span><span class="tribe-delimiter">,</span> <abbr class="tribe-region tribe-events-abbr" title="California">CA</abbr> <span class="tribe-postal-code">94903</span> <span class="tribe- Programs Archive | YMCA of Greater San Francisco 24-25 Annual Report: See how your partnership helps people Be, Belong, and Become across the Bay Area Youth & Family All Youth & Family Overview The Y is committed to nurturing the potential of every youth and teen in our community. learn more Featured Camps Before & After School Early Childhood Education YKids Youth Sports Quick Links Youth & Family Programs Youth & Family Calendar Teens All Teens Overview The vision of the YMCA of Greater San francisco is to be a catalyst in youth development and social innovation. learn more Featured Social Entrepreneurship Program Youth Empowerment Fund (YEF) Youth Support Services Workforce Development quick links Teen Programs Adults All Adults Overview The YMCA of Greater San Francisco believes in supporting adults of all ages and types. We offer programs for everyone to have the ability to become their best selves. learn more Featured Membership Adult Tennis Group Exercise Schedule Gym & Courts Schedule Virtual Wellness quick links Active Adults (AOA) Adult Programs Tennis Schedule Health & Wellness All Health & Wellness Overview No matter your ability or experience, the Y is here to help support you every step of the way. learn more Featured Brain Health Diabetes Prevention Program Group Exercise Wellness Coaching Orientations Personal Training Virtual Wellness Download the Mobile App Quick Links Group Exercise Schedule Gym & Courts Schedule Health & Wellness Programs YMCA 360 Login Aquatics All Aquatics Overview Group, Private and Semi-Private Swim Lessons are an opportunity to work with a Certified YMCA Swim Lesson Instructor. learn more Featured Group Swim Lessons Masters Swim Private and Semi-Private Swim Lessons Swim Team quick links Pool Schedule Aquatics Programs Aquatics Events Community Resources All Community Resources Overview At the Y we have Community Resources that are based on community need to connect you with information, support, assistance, and resources. learn more featured Food Assistance Community Resource Center Family Resource Centers Employment Services Academic Support Mental Health Resources Community Enrichment Quick Links Community Programs Community Events Equipment Schedules All Test Join Donate Programs Courses Events Hours & Schedules Locations Careers About Get Involved Contact Us My Account Discover Programs Programs Courses Events Sort & Filters Filter programs Clear search Category All Aquatics Community Resources Academic Support or School Completion Employment Services Family Resource Centers Food Assistance Mental Health Resources Event Health & Wellness Youth & Family Before & After School Care Camps Early Childhood Education Youth Sports Age All Active Older Adults Adult (Ages 18-60) Adults Infants & Toddlers Kids Kids (Ages 0-17) Kids (Ages 4-12) Preschool Teen Teens Location All Bayview Hope SF KIPP Bayview Elementary Martin Luther King Jr. Academic Middle School P.A.C.E at Phillip & Sala Buton High School Red Bridge Elementary School Brookside Elementary School Buchanan Chinese Immersion School (CIS) at DeAvila Dr. William L. Cobb Elementary School John Muir Elementary School New Traditions Elementary School Rosa Parks Elementary School Camp Jones Gulch YMCA Chase Center Chinatown Edwin & Margaret Lee / Tung Lok Early Childhood Learning Center | 88 Broadway Edwin & Margaret Lee Tung Lok Early Childhood Learning Center Edwin and Anita Lee Newcomer School Gordon J. Lau Elementary School Jean Parker Elementary School John Yehall Chin Elementary School Spring Valley Elementary School Yick Wo Elementary School Dogpatch YMCA at Crane Cove Dogpatch YMCA at Crane Cove Edwin & Margaret Lee / Tung Lok Early Childhood Learning Center | 88 Broadway Embarcadero Treasure Island Community Youth Chance High School Marin Albert J. Boro Community Center Brookside Elementary School Hamilton Elementary School Hamilton Meadow Park School Heartwood Charter School Hidden Valley Loma Verde Elementary School Lu Sutton Elementary School Lynwood Elementary School Manor Elementary School Novato Charter School Olive Elementary School Peninsula Pleasant Valley Elementary School Rancho Elementary School San Jose Middle School San Ramon Elementary School Sinaloa Middle School Sun Valley Elementary School Wade Thomas Elementary School Dr. Martin Luther King Jr. Academic Middle School Beacon Program Mental Health Programs Mental Health Services YMCA Pacifica Youth Service Bureau South San Francisco Community Resource Center Mental Health Services YMCA Mental Health Services YMCA Mental Health Services Mission Alice Chalmers Preschool Dolores Huerta Elementary School Harvey Milk Civil Rights Academy Hillcrest Elementary School Kapuso Mission YMCA Preschool Monroe Elementary School Sunnyside Elementary School Villa de Kapuso Child Development Center Presidio Bowling Alley Tennis Court | 1 Fort Scott Tennis Courts | 2 Infantry Terrace Tennis Courts | 2 Marina Middle School Presidio Community YMCA Letterman Pool & Gym Ruger Tennis Court | 1 Richmond Argonne Elementary School Claire Lilienthal School Winfield Scott Campus Jefferson Elementary School Lafayette Elementary School Sutro Elementary School Shih Yu-Lang Central Boeddeker Park Parkview Terrace Senior Community Tenderloin Community School Stonestown Commodore Sloat Elementary IT Bookman Community Center Jose Ortega Elementary Lutheran Church of Our Savior Miraloma Elementary School Sheridan Elementary School Stonestown Family YMCA Annex West Portal Elementary School Urban Services Downtown High School Dr. Charles R. Drew College Preparatory Academy Ida B. Wells High School Denman Middle School John O’Connell Technical High School San Mateo Youth Service Bureau Starr King Elementary School Urban Services Administrative Offices Camp Jones Gulch Filter ( ) Clear  SORT BY Default A–Z Z–A Apply Filters Clear  Filter Load More YMCA of Greater San Francisco 169 Steuart Street San Francisco , CA 94105 Contact Us About Us Mission & Vision Our Leadership Careers Press Partners Financial Disclosures Quick Links Programs Calendar Hours & Schedule Group Exercise Schedule Get Involved Blog Locations Policies Stay Updated Email Address (Required) Sign Up By signing up for our newsletter you agree to our privacy policy . Social Media Join the conversation and be the first to learn about promotions and events. Donate Membership NEW © YMCA of Greater San Francisco 2026. All Rights Reserved Terms & Conditions Home Swim Team 24-25 Annual Report: See how your partnership helps people Be, Belong, and Become across the Bay Area Youth & Family All Youth & Family Overview The Y is committed to nurturing the potential of every youth and teen in our community. learn more Featured Camps Before & After School Early Childhood Education YKids Youth Sports Quick Links Youth & Family Programs Youth & Family Calendar Teens All Teens Overview The vision of the YMCA of Greater San francisco is to be a catalyst in youth development and social innovation. learn more Featured Social Entrepreneurship Program Youth Empowerment Fund (YEF) Youth Support Services Workforce Development quick links Teen Programs Adults All Adults Overview The YMCA of Greater San Francisco believes in supporting adults of all ages and types. We offer programs for everyone to have the ability to become their best selves. learn more Featured Membership Adult Tennis Group Exercise Schedule Gym & Courts Schedule Virtual Wellness quick links Active Adults (AOA) Adult Programs Tennis Schedule Health & Wellness All Health & Wellness Overview No matter your ability or experience, the Y is here to help support you every step of the way. learn more Featured Brain Health Diabetes Prevention Program Group Exercise Wellness Coaching Orientations Personal Training Virtual Wellness Download the Mobile App Quick Links Group Exercise Schedule Gym & Courts Schedule Health & Wellness Programs YMCA 360 Login Aquatics All Aquatics Overview Group, Private and Semi-Private Swim Lessons are an opportunity to work with a Certified YMCA Swim Lesson Instructor. learn more Featured Group Swim Lessons Masters Swim Private and Semi-Private Swim Lessons Swim Team quick links Pool Schedule Aquatics Programs Aquatics Events Community Resources All Community Resources Overview At the Y we have Community Resources that are based on community need to connect you with information, support, assistance, and resources. learn more featured Food Assistance Community Resource Center Family Resource Centers Employment Services Academic Support Mental Health Resources Community Enrichment Quick Links Community Programs Community Events Equipment Schedules All Test Join Donate Programs Courses Events Hours & Schedules Locations Careers About Get Involved Contact Us My Account All Programs All Programs --> Aquatics Swim Team Adults, Kids, Teens Embarcadero YMCA, Peninsula Family YMCA, Presidio Community YMCA Swimming on a team as a means of exercise is not limited to youth or Olympic Swimmers. By joining a Swim Team, swimmers focus on stroke technique and endurance which lead to physical, mental and social benefits. Share Share on LinkedIn Share on Facebook Share View Links Overview Embarcadero YMCA Swim Team Peninsula YMCA Swim Team YMCA Pacific Aquatic Club Embarcadero YMCA Swim Club Get Involved Swimming on a team as a means of exercise is not limited to youth or Olympic Swimmers.  By joining a Swim Team , swimmers focus on stroke technique and endurance which lead to physical, mental and social benefits. embarcadero YMCA – The Electric Eels swim team The Electric Eels Swim Team is about fun, teamwork, healthy competition, and striving for personal bests—whether that’s completing a practice or competing at Y Nationals. Our trained coaches focus on skill development, endurance, and fostering a love for swimming through structured practices that include stretching, warm-ups, technique, endurance, and cool-downs. We promote fitness, confidence, and the YMCA’s core values of Caring, Honesty, Respect, and Responsibility. Swimmers ages 6–18 are welcome! Tryouts are by appointment only and must be booked 15 minutes before practice.  To schedule a tryout, e-mail Embarcadero Aquatics . Pre-requisites Must have completed YMCA Level 5 OR complete the swim test: Can swim 50m yard freestyle, demonstrating side breathing and good body position. Can swim 25 m backstroke demonstrating goo body position. Can swim 25 m of Breaststroke or Butterfly are a plus. Participants are expected to attend practices, demonstrate effort, and develop their skills. While meet participation is not required, it provides an important opportunity to reflect the team aspect of swimming: you swim together, you win together. S chedule Mondays: 5:15 p.m. – 6:15 p.m. (1 Hour) Thursdays: 5:15 p.m. – 6:15 p.m. (1 Hour) Saturdays: 10:00 a.m. – 11:30 a.m. (1.5 Hours) Register for one of three tiers: Tier A:  Monday and Thursday ONLY Cost: $150 member; $195 non member Tier B:  Saturday ONLY Cost: $75 member; $95 non member Tier C:  Monday, Thursday AND Saturday Cost:  $215 member; $285 Peninsula YMCA ORCA Swim Team To schedule a tryout, e-mail Peninsula Aquatics or call (650) 286-9622 . Development Swim Team Red ORCA (Ages 5-12) Practice Dates and Times (2x a week for 45 minutes) Tuesdays & Thursdays: 4:05 pm – 4:50 pm Orange ORCA (Ages 5-12) Practice Dates and Times (2x a week for 60 minutes) Tuesdays & Thursdays: 4:50 pm – 5:50 pm Competitive Swim Team Yellow ORCA (Ages 5-15) Practice Dates and Times (2x a week for 90 minutes) Mondays & Wednesdays: 4:05 pm – 5:20 pm YMCA Pacific Aquatic Club (YPAC) The YMCA Pacific Aquatic Club (YPAC) is a year-round competitive youth swim team (USA Swimming) located at the Presidio YMCA . YPAC offers high-quality, professional coaching and technique instruction for swimmers aged 6-18 years old. It is our goal to offer age and skill-specific training, geared towards challenging and developing each individual swimmer to the best of their abilities. We strenuously encourage teamwork and support all team members in achieving their personal best. To schedule a tryout, e-mail David Moretz . Mission & Philosophy To challenge participants to reach for greater heights. To inspire participants to find passion in all their endeavors. To unite participants as members of a team. Embarcadero ymca swim club – the otters (ages 18+) The Embarcadero YMCA is excited for the growth of our own Swim Club, ‘The Otters’. If you can swim 500m non stop and want to push your workout further in 2025, then we invite you for one free week. There are four weekly 1.5 hour sessions, with Coach Claire. Improve all of your swimming abilities! For more information please email, Coach Claire . Practice Sessions Tuesday: 7:00AM – 8:30AM Wednesday: 7:00PM – 8:30PM Friday: 6:00PM – 7:30PM Saturday: 8:00AM – 9:30AM This program serving the community Is funded by Get Involved View all Locations Peninsula Family YMCA 1877 South Grant Street, CA 94402 (650) 286-9622 View Details Presidio Community YMCA 63 Funston Avenue, CA 94129 (415) 447-9622 View Details Chinatown YMCA 855 Sacramento St, CA 94108 (415) 576-9622 View Details Stonestown Family YMCA 333 Eucalyptus Drive, CA 94132 (415) 242-7100 View Details Embarcadero YMCA 169 Steuart Street, CA 94105 (415) 957-9622 View Details --> Related Programs View all programs Aquatics Group Swim Lessons 6 Months – Adults Chinatown YMCA, Embarcadero YMCA, Marin YMCA, Peninsula Family YMCA, Presidio Community YMCA, Stonestown Family YMCA Register Learn More Aquatics Private & Semi-Private Swim Lessons Active Older Adults, Adults, Kids, Teens Learn More Aquatics Masters Swim Adults Presidio Community YMCA Learn More Become A Member Join Today YMCA of Greater San Francisco 169 Steuart Street San Francisco , CA 94105 Contact Us About Us Mission & Vision Our Leadership Careers Press Partners Financial Disclosures Quick Links Programs Calendar Hours & Schedule Group Exercise Schedule Get Involved Blog Locations Policies Stay Updated Email Address (Required) Sign Up By signing up for our newsletter you agree to our privacy policy . Social Media Join the conversation and be the first to learn about promotions and events. Donate Membership
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Root-LD — Traveling Context Pod v1.0 · gdr-3ea47e06 · three layers
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  "content_hash": "276575ee741bca87d0af511c5acdf3484fdea764aa75532f8914a295dadaa01f",
  "primary_source": "http://www.ymcasf.org/marin/",
  "source_verified": true,
  "generation_method": "crawl_extract_v1",
  "spec_version": "1.0",
  "queued_at": "2026-05-15T20:52:16.796190+00:00",
  "minted_at": "2026-05-15T20:52:16.796190+00:00"
}
Layer 2 — Body · Complete measurement snapshot frozen at mint. Identity, SEO, schema graph, six-layer topology fingerprint, ratio signals, navigation. Law II — Temporal Attestation.
rld:body — ymcasf.org
{
  "domain": "ymcasf.org",
  "canonical_url": "http://www.ymcasf.org/marin/",
  "tld": "org",
  "slug": "ymcasf-org",
  "status_code": 200,
  "redirect_chain": [],
  "response_time_ms": 5684,
  "ssl_valid": false,
  "server_header": "cloudflare",
  "title": "Marin YMCA | YMCA of Greater San Francisco",
  "h1": "Marin YMCA",
  "meta_description": "Join Marin YMCA for a variety of fitness classes, wellness programs, and community activities, fostering health and connection in the San Francisco area.",
  "lang_declared": "en-US",
  "schema_types": [
    "WebPage",
    "ReadAction",
    "ImageObject",
    "WebSite",
    "SearchAction",
    "EntryPoint",
    "PropertyValueSpecification",
    "Organization",
    "QuantitativeValue",
    "CollectionPage",
    "BreadcrumbList",
    "ListItem"
  ],
  "schema_score": 0.3432,
  "schema_prop_count": 37,
  "schema_gap_list": [
    "significantLink",
    "mainContentOfPage",
    "reviewedBy",
    "speakable",
    "lastReviewed",
    "specialty",
    "relatedLink",
    "funding",
    "provider",
    "genre",
    "wordCount",
    "accessModeSufficient",
    "acquireLicensePage",
    "temporalCoverage",
    "thumbnail",
    "commentCount",
    "displayLocation",
    "archivedAt",
    "digitalSourceType",
    "assesses"
  ],
  "top_semantic_words": [
    "ymca",
    "school",
    "community",
    "programs",
    "family",
    "youth",
    "elementary",
    "swim",
    "wellness",
    "san",
    "health",
    "schedule",
    "quot",
    "adults",
    "group",
    "links",
    "aquatics",
    "events",
    "francisco",
    "span",
    "quick",
    "marin",
    "featured",
    "team",
    "services",
    "peninsula",
    "presidio",
    "greater",
    "overview",
    "resources",
    "exercise",
    "locations",
    "mission",
    "stonestown",
    "tribe",
    "chinatown",
    "teens",
    "hours",
    "embarcadero",
    "support"
  ],
  "ratio_signals": {
    "schema_density": 0.925,
    "nav_ratio": 0.6371,
    "content_to_structure_ratio": 0.014732,
    "external_tld_diversity": 3,
    "self_declaration_coherence": 0.232,
    "schema_to_navigation_alignment": 0.0,
    "javascript_surface_ratio": 0.0,
    "url_depth_distribution": {
      "depth_0": 3,
      "depth_1": 50,
      "depth_2": 65,
      "depth_3plus": 6
    }
  },
  "semantic_html_ratio": 0.0,
  "javascript_surface_ratio": 0.0,
  "img_alt_coverage": 0.0,
  "robots_complexity_score": 0,
  "ariadne_blocked": false,
  "security_label": "NONE",
  "https_enforced": false,
  "freshness_label": "CURRENT",
  "tld_starjet_url": "https://globaldataregistry.com/registry/tld/ledger/org",
  "schema_starjet_urls": [
    "https://globaldataregistry.com/registry/schema/ledger/webpage",
    "https://globaldataregistry.com/registry/schema/ledger/readaction",
    "https://globaldataregistry.com/registry/schema/ledger/imageobject",
    "https://globaldataregistry.com/registry/schema/ledger/website",
    "https://globaldataregistry.com/registry/schema/ledger/searchaction",
    "https://globaldataregistry.com/registry/schema/ledger/entrypoint",
    "https://globaldataregistry.com/registry/schema/ledger/propertyvaluespecification",
    "https://globaldataregistry.com/registry/schema/ledger/organization",
    "https://globaldataregistry.com/registry/schema/ledger/quantitativevalue",
    "https://globaldataregistry.com/registry/schema/ledger/collectionpage",
    "https://globaldataregistry.com/registry/schema/ledger/breadcrumblist",
    "https://globaldataregistry.com/registry/schema/ledger/listitem"
  ],
  "native_text_sample": "24-25 Annual Report: See how your partnership helps people Be, Belong, and Become across the Bay Area\n\nYouth & Family\nTeens\nAdults\nHealth & Wellness\nAquatics\nCommunity Resources\nJOIN\nDONATE\nPrograms\nCourses\nEvents\nHours & Schedules\nLocations\nCareers\nAbout\nGet Involved\nContact Us\nMy Account\nEN\nALL LOCATIONS\nMarin YMCA\n1500 Los Gamos Drive, San Rafael CA 94903\n(415) 492-9622\nVIEW ALL PROGRAMS\nGUIDELINES & POLICIES\nHours\nFacilities\nPrograms\nAffiliated Locations\nUpcoming Events\nStories\nVIEW ALL PROG",
  "topology_fingerprint_version": "1.0.0"
}
Layer 3 — Recursive · Empty at mint. Grows forever through accumulated corpus passes. Common edges (Law V), uncommon edges (Law VI), topology cluster scores. The graph builds itself. Law VII — Torus.
rld:recursive — edge_count=0
{
  "edges": [],
  "appended_at": [],
  "edge_count": 0
}
Root-LD v1.0 · root-ld.org · Law I+II+VII root-ld.org ↗
Schema.org Intelligence scored · graph traversal · Law VI negative space
34% coverage · 12 types · 37 props · 51 gaps · click to expand
34%
Schema Utilization Score
PARTIAL COVERAGE — GAPS IDENTIFIED
schema.org v2.0.0 · 37 props extracted · 51 gaps · http://www.ymcasf.org/marin/
CreativeWorkWebPageReadActionImageObjectWebSiteSearchAction
◈ Schema Graph — Three-Direction Traversal
Declared: WebPage · ReadAction · ImageObject · WebSite · SearchAction · EntryPoint · PropertyValueSpecification · Organization · QuantitativeValue · CollectionPage · BreadcrumbList · ListItem
✓ Implemented
urlownhttps://www.ymcasf.org/location/marin-ymca/
nameownMarin YMCA | Health & Wellness in SF
isPartOfownhttps://www.ymcasf.org/#website
primaryImageOfPageownhttps://www.ymcasf.org/location/marin-ymca/#primaryimage
imageownhttps://www.ymcasf.org/location/marin-ymca/#primaryimage
thumbnailUrlownhttps://media.ymcasf.org/wp-content/uploads/2024/08/11210400/ymcasf-location-marin.jpg
datePublishedown2024-08-06T06:23:46+00:00
dateModifiedown2026-04-07T05:47:57+00:00
descriptionownJoin Marin YMCA for a variety of fitness classes, wellness programs, and community activities, fostering health and connection in the San Francisco area.
inLanguageownen-US
potentialActionown[ReadAction]
targetownhttps://www.ymcasf.org/location/marin-ymca/
contentUrlownhttps://media.ymcasf.org/wp-content/uploads/2024/08/11210400/ymcasf-location-marin.jpg
widthown1334
heightown2000
captionownA modern single-story building with a triangular roof section and a flagpole flying the American flag in the foreground. A few people are seated and walking around outside.
publisherownhttps://www.ymcasf.org/#organization
alternateNameownYMCA SF
query-inputown[PropertyValueSpecification]
urlTemplateownhttps://www.ymcasf.org/?s={search_term_string}
valueRequiredownTRUE
valueNameownsearch_term_string
logoownhttps://www.ymcasf.org/#/schema/logo/image/
sameAsownhttps://www.facebook.com/YMCASF/ (+3 more)
telephoneown(415) 772-5500
legalNameownYMCA
foundingDateown1853-01-01
numberOfEmployeesown[QuantitativeValue]
ownershipFundingInfoownhttps://www.ymcasf.org/about/
ethicsPolicyownhttps://www.ymcasf.org/policies/code-of-conduct/
minValueown1001
maxValueown5000
breadcrumbownhttps://www.ymcasf.org/program/swim-team/#breadcrumb
itemListElementownPrograms (+1 more)
positionown1
itemownhttps://www.ymcasf.org/programs/
✗ Not Implemented / Gap
slogangap
areaServedgap
keywordsgap
aggregateRatinggap
knowsAboutgap
contactPointgap
openingHoursgap
hasOfferCataloggap
addressgap
priceRangegap
identifiergap
geogap
significantLinkgap
mainContentOfPagegap
reviewedBygap
speakablegap
lastReviewedgap
specialtygap
relatedLinkgap
fundinggap
providergap
genregap
wordCountgap
accessModeSufficientgap
acquireLicensePagegap
temporalCoveragegap
thumbnailgap
commentCountgap
displayLocationgap
archivedAtgap
digitalSourceTypegap
assessesgap
CreativeWorkancestor +1schema.org/CreativeWork ↗7/111 (6%)
The most generic kind of creative work, including books, movies, photographs, software programs, etc.
publisherthumbnailUrldatePublishedinLanguagepositionisPartOfdateModified
fundingprovidergenrewordCountaccessModeSufficientacquireLicensePagetemporalCoveragethumbnailcommentCountdisplayLocation
Thingancestor +2schema.org/Thing ↗7/13 (53%)
The most generic type of item.
sameAsnamepotentialActiondescriptionalternateNameurlimage
additionalTypeidentifierownersubjectOfmainEntityOfPagedisambiguatingDescription
SoftwareApplicationsibling via CreativeWorkschema.org/SoftwareApplication ↗23 exclusive
A software application.
fileSizecountriesSupportedfeatureListprocessorRequirementsstorageRequirementsreleaseNotessoftwareRequirementsoperatingSystem
MediaObjectsibling via CreativeWorkschema.org/MediaObject ↗18 exclusive
A media object, such as an image, video, audio, or text object embedded in a web page or a downloadable dataset i.e. DataDownload. Note that a creative work may
durationassociatedArticleheightstartTimeplayerTypesha256uploadDateineligibleRegion
VisualArtworksibling via CreativeWorkschema.org/VisualArtwork ↗13 exclusive
A work of art that is primarily visual in character.
weightheightcoloristartworkSurfaceartistartformdepthartEdition
CreativeWorkSeasonsibling via CreativeWorkschema.org/CreativeWorkSeason ↗10 exclusive
A media season, e.g. TV, radio, video game etc.
endDateseasonNumberactorepisodestartDatetrailernumberOfEpisodespartOfSeries
Coursesibling via CreativeWorkschema.org/Course ↗10 exclusive
A description of an educational course which may be offered as distinct instances which take place at different times or take place at different locations, or b
numberOfCreditssyllabusSectionseducationalCredentialAwardedhasCourseInstancetotalHistoricalEnrollmentfinancialAidEligiblecoursePrerequisitesoccupationalCredentialAwarded
MusicCompositionsibling via CreativeWorkschema.org/MusicComposition ↗10 exclusive
A musical composition.
recordedAsfirstPerformancelyricsmusicArrangementlyricistcomposeriswcCodemusicCompositionForm
TVSeriessibling via CreativeWorkschema.org/TVSeries ↗10 exclusive
CreativeWorkSeries dedicated to TV broadcast and associated online delivery.
containsSeasonmusicByactornumberOfSeasonsepisodetrailertitleEIDRnumberOfEpisodes
Reviewsibling via CreativeWorkschema.org/Review ↗9 exclusive
A review of an item - for example, of a restaurant, movie, or store.
itemReviewedassociatedClaimReviewpositiveNotesreviewAspectnegativeNotesassociatedMediaReviewreviewRatingassociatedReview
Clipsibling via CreativeWorkschema.org/Clip ↗9 exclusive
A short TV or radio program or a segment/part of a program.
endOffsetmusicBypartOfSeasonclipNumberactorpartOfSeriespartOfEpisodestartOffset
Episodesibling via CreativeWorkschema.org/Episode ↗9 exclusive
A media episode (e.g. TV, radio, video game) which can be part of a series or season.
durationmusicBypartOfSeasonactortrailerepisodeNumberpartOfSeriesproductionCompany
Messagesibling via CreativeWorkschema.org/Message ↗9 exclusive
A single message from a sender to one or more organizations or people.
toRecipientccRecipientdateReceivedrecipientdateReaddateSentbccRecipientmessageAttachment
HowTosibling via CreativeWorkschema.org/HowTo ↗8 exclusive
Instructions that explain how to achieve a result by performing a sequence of steps.
prepTimetoolstepyieldsupplyestimatedCosttotalTimeperformTime
Moviesibling via CreativeWorkschema.org/Movie ↗8 exclusive
A movie.
durationmusicByactortrailertitleEIDRsubtitleLanguageproductionCompanydirector
ExercisePlansibling via CreativeWorkschema.org/ExercisePlan ↗8 exclusive
Fitness-related activity designed for a specific health-related purpose, including defined exercise routines as well as activity prescribed by a clinician.
exerciseTypeworkloadintensityrepetitionsactivityFrequencyrestPeriodsadditionalVariableactivityDuration
HowToDirectionsibling via CreativeWorkschema.org/HowToDirection ↗8 exclusive
A direction indicating a single action to do in the instructions for how to achieve a result.
duringMediaprepTimetoolsupplybeforeMediatotalTimeperformTimeafterMedia
RealEstateListingchild / upgradeschema.org/RealEstateListing ↗+2 props
A [[RealEstateListing]] is a listing that describes one or more real-estate [[Offer]]s (whose [[businessFunction]] is typically to lease out, or to sell). The
datePostedleaseLength
MedicalWebPagechild / upgradeschema.org/MedicalWebPage ↗+1 props
A web page that provides medical information.
medicalAudience
QAPagechild / upgradeschema.org/QAPage ↗+0 props
A QAPage is a WebPage focussed on a specific Question and its Answer(s), e.g. in a question answering site or documenting Frequently Asked Questions (FAQs).
ContactPagechild / upgradeschema.org/ContactPage ↗+0 props
Web page type: Contact page.
AboutPagechild / upgradeschema.org/AboutPage ↗+0 props
Web page type: About page.
ProfilePagechild / upgradeschema.org/ProfilePage ↗+0 props
Web page type: Profile page.
CollectionPagechild / upgradeschema.org/CollectionPage ↗+0 props
Web page type: Collection page.
ItemPagechild / upgradeschema.org/ItemPage ↗+0 props
A page devoted to a single item, such as a particular product or hotel.
CheckoutPagechild / upgradeschema.org/CheckoutPage ↗+0 props
Web page type: Checkout page.
SearchResultsPagechild / upgradeschema.org/SearchResultsPage ↗+0 props
Web page type: Search results page.
FAQPagechild / upgradeschema.org/FAQPage ↗+0 props
A [[FAQPage]] is a [[WebPage]] presenting one or more "[Frequently asked questions](https://en.wikipedia.org/wiki/FAQ)" (see also [[QAPage]]).
◈ Structural Negative Type Space — Constitutional Law VI
◈ Action Branch

No structural connection to the Action branch. Graph position measurement. schema.org/Action ↗ · Law III — meaning is yours.

◈ BioChemEntity Branch

No structural connection to the BioChemEntity branch. Graph position measurement. schema.org/BioChemEntity ↗ · Law III — meaning is yours.

◈ Event Branch

No structural connection to the Event branch. Graph position measurement. schema.org/Event ↗ · Law III — meaning is yours.

◈ Intangible Branch

No structural connection to the Intangible branch. Graph position measurement. schema.org/Intangible ↗ · Law III — meaning is yours.

◈ MedicalEntity Branch

No structural connection to the MedicalEntity branch. Graph position measurement. schema.org/MedicalEntity ↗ · Law III — meaning is yours.

◈ Organization Branch

No structural connection to the Organization branch. Graph position measurement. schema.org/Organization ↗ · Law III — meaning is yours.

◈ Person Branch

No structural connection to the Person branch. Graph position measurement. schema.org/Person ↗ · Law III — meaning is yours.

◈ Place Branch

No structural connection to the Place branch. Graph position measurement. schema.org/Place ↗ · Law III — meaning is yours.

◈ Product Branch

No structural connection to the Product branch. Graph position measurement. schema.org/Product ↗ · Law III — meaning is yours.

◈ Taxon Branch

No structural connection to the Taxon branch. Graph position measurement. schema.org/Taxon ↗ · Law III — meaning is yours.

◈ Gap List (51 properties unmapped)
significantLinkmainContentOfPagereviewedByspeakablelastReviewedspecialtyrelatedLinkfundingprovidergenrewordCountaccessModeSufficientacquireLicensePagetemporalCoveragethumbnailcommentCountdisplayLocationarchivedAtdigitalSourceTypeassesseslicensekeywordshasPartfunderaccessModeaggregateRatingmaterialaccessibilityControlrecordedAtmaintainer
+21 more gaps not shown
◈ Source Schema.org — Raw Extraction (3 blocks)
Block 1 · @type: unknown
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "WebPage",
      "@id": "https://www.ymcasf.org/location/marin-ymca/",
      "url": "https://www.ymcasf.org/location/marin-ymca/",
      "name": "Marin YMCA | Health & Wellness in SF",
      "isPartOf": {
        "@id": "https://www.ymcasf.org/#website"
      },
      "primaryImageOfPage": {
        "@id": "https://www.ymcasf.org/location/marin-ymca/#primaryimage"
      },
      "image": {
        "@id": "https://www.ymcasf.org/location/marin-ymca/#primaryimage"
      },
      "thumbnailUrl": "https://media.ymcasf.org/wp-content/uploads/2024/08/11210400/ymcasf-location-marin.jpg",
      "datePublished": "2024-08-06T06:23:46+00:00",
      "dateModified": "2026-04-07T05:47:57+00:00",
      "description": "Join Marin YMCA for a variety of fitness classes, wellness programs, and community activities, fostering health and connection in the San Francisco area.",
      "inLanguage": "en-US",
      "potentialAction": [
        {
          "@type": "ReadAction",
          "target": [
            "https://www.ymcasf.org/location/marin-ymca/"
          ]
        }
      ]
    },
    {
      "@type": "ImageObject",
      "inLanguage": "en-US",
      "@id": "https://www.ymcasf.org/location/marin-ymca/#primaryimage",
      "url": "https://media.ymcasf.org/wp-content/uploads/2024/08/11210400/ymcasf-location-marin.jpg",
      "contentUrl": "https://media.ymcasf.org/wp-content/uploads/2024/08/11210400/ymcasf-location-marin.jpg",
      "width": 1334,
      "height": 2000,
      "caption": "A modern single-story building with a triangular roof section and a flagpole flying the American flag in the foreground. A few people are seated and walking around outside."
    },
    {
      "@type": "WebSite",
      "@id": "https://www.ymcasf.org/#website",
      "url": "https://www.ymcasf.org/",
      "name": "YMCA of Greater San Francisco",
      "description": "Find Your Purpose, Find Your Y",
      "publisher": {
        "@id": "https://www.ymcasf.org/#organization"
      },
      "alternateName": "YMCA SF",
      "potentialAction": [
        {
          "@type": "SearchAction",
          "target": {
            "@type": "EntryPoint",
            "urlTemplate": "https://www.ymcasf.org/?s={search_term_string}"
          },
          "query-input": {
            "@type": "PropertyValueSpecification",
            "valueRequired": true,
            "valueName": "search_term_string"
          }
        }
      ],
      "inLanguage": "en-US"
    },
    {
      "@type": "Organization",
      "@id": "https://www.ymcasf.org/#organization",
      "name": "YMCA of Greater San Francisco",
      "alternateName": "YMCA of Greater San Francisco",
      "url": "https://www.ymcasf.org/",
      "logo": {
        "@type": "ImageObject",
        "inLanguage": "en-US",
        "@id": "https://www.ymcasf.org/#/schema/logo/image/",
        "url": "https://media.ymcasf.org/wp-content/uploads/2024/01/11211932/ymca-logo.svg",
        "contentUrl": "https://media.ymcasf.org/wp-content/uploads/2024/01/11211932/ymca-logo.svg",
        "width": 63,
        "height": 48,
        "caption": "YMCA of Greater San Francisco"
      },
      "image": {
        "@id": "https://www.ymcasf.org/#/schema/logo/image/"
      },
      "sameAs": [
        "https://www.facebook.com/YMCASF/",
        "https://instagram.com/ymcasf/",
        "https://www.youtube.com/c/YmcasfOrg_SF",
        "https://www.linkedin.com/company/ymcasf/"
      ],
      "description": "For more than 160 years, the YMCA has addressed the most pressing social issues of the day—whether helping newcomers adjust to life in America, providing safe spaces for youth from all backgrounds to learn and grow and inspiring action in and across our communities. In the greater San Francisco area, our YMCA provides accessible support and opportunities that empower people and communities to learn, grow and become healthier. With a focus on youth development, healthy living and social responsibility, the Y nurtures the potential of every youth and teen, improves the San Francisco Bay Area's health and well-being, and provides opportunities to engage with and support each other. Every day, we work side by side with our neighbors to make sure that everyone, regardless of age, income or background, has the opportunity to improve their lives and their community. At the YMCA of Greater San Francisco, our mission is to build healthy, sustainable, and equitable communities for all generations.",
      "email": "[email protected]",
      "telephone": "(415) 772-5500",
      "legalName": "YMCA",
      "foundingDate": "1853-01-01",
      "numberOfEmployees": {
        "@type": "QuantitativeValue",
        "minValue": "1001",
        "maxValue": "5000"
      },
      "ownershipFundingInfo": "https://www.ymcasf.org/about/",
      "ethicsPolicy": "https://www.ymcasf.org/policies/code-of-conduct/"
    }
  ]
}
◈ Source: http://www.ymcasf.org/marin/ · Law I — Provenance
Block 2 · @type: unknown
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "CollectionPage",
      "@id": "https://www.ymcasf.org/programs/",
      "url": "https://www.ymcasf.org/programs/",
      "name": "Programs Archive | YMCA of Greater San Francisco",
      "isPartOf": {
        "@id": "https://www.ymcasf.org/#website"
      },
      "primaryImageOfPage": {
        "@id": "https://www.ymcasf.org/programs/#primaryimage"
      },
      "image": {
        "@id": "https://www.ymcasf.org/programs/#primaryimage"
      },
      "thumbnailUrl": "https://media.ymcasf.org/wp-content/uploads/2026/04/27224155/2019_10-17_TeenFamily_1434_03_CMYK.jpg",
      "inLanguage": "en-US"
    },
    {
      "@type": "ImageObject",
      "inLanguage": "en-US",
      "@id": "https://www.ymcasf.org/programs/#primaryimage",
      "url": "https://media.ymcasf.org/wp-content/uploads/2026/04/27224155/2019_10-17_TeenFamily_1434_03_CMYK.jpg",
      "contentUrl": "https://media.ymcasf.org/wp-content/uploads/2026/04/27224155/2019_10-17_TeenFamily_1434_03_CMYK.jpg",
      "width": 2559,
      "height": 1645,
      "caption": "Teen girl with long hair holding a microphone and other teens in the background."
    },
    {
      "@type": "WebSite",
      "@id": "https://www.ymcasf.org/#website",
      "url": "https://www.ymcasf.org/",
      "name": "YMCA of Greater San Francisco",
      "description": "Find Your Purpose, Find Your Y",
      "publisher": {
        "@id": "https://www.ymcasf.org/#organization"
      },
      "alternateName": "YMCA SF",
      "potentialAction": [
        {
          "@type": "SearchAction",
          "target": {
            "@type": "EntryPoint",
            "urlTemplate": "https://www.ymcasf.org/?s={search_term_string}"
          },
          "query-input": {
            "@type": "PropertyValueSpecification",
            "valueRequired": true,
            "valueName": "search_term_string"
          }
        }
      ],
      "inLanguage": "en-US"
    },
    {
      "@type": "Organization",
      "@id": "https://www.ymcasf.org/#organization",
      "name": "YMCA of Greater San Francisco",
      "alternateName": "YMCA of Greater San Francisco",
      "url": "https://www.ymcasf.org/",
      "logo": {
        "@type": "ImageObject",
        "inLanguage": "en-US",
        "@id": "https://www.ymcasf.org/#/schema/logo/image/",
        "url": "https://media.ymcasf.org/wp-content/uploads/2024/01/11211932/ymca-logo.svg",
        "contentUrl": "https://media.ymcasf.org/wp-content/uploads/2024/01/11211932/ymca-logo.svg",
        "width": 63,
        "height": 48,
        "caption": "YMCA of Greater San Francisco"
      },
      "image": {
        "@id": "https://www.ymcasf.org/#/schema/logo/image/"
      },
      "sameAs": [
        "https://www.facebook.com/YMCASF/",
        "https://instagram.com/ymcasf/",
        "https://www.youtube.com/c/YmcasfOrg_SF",
        "https://www.linkedin.com/company/ymcasf/"
      ],
      "description": "For more than 160 years, the YMCA has addressed the most pressing social issues of the day—whether helping newcomers adjust to life in America, providing safe spaces for youth from all backgrounds to learn and grow and inspiring action in and across our communities. In the greater San Francisco area, our YMCA provides accessible support and opportunities that empower people and communities to learn, grow and become healthier. With a focus on youth development, healthy living and social responsibility, the Y nurtures the potential of every youth and teen, improves the San Francisco Bay Area's health and well-being, and provides opportunities to engage with and support each other. Every day, we work side by side with our neighbors to make sure that everyone, regardless of age, income or background, has the opportunity to improve their lives and their community. At the YMCA of Greater San Francisco, our mission is to build healthy, sustainable, and equitable communities for all generations.",
      "email": "[email protected]",
      "telephone": "(415) 772-5500",
      "legalName": "YMCA",
      "foundingDate": "1853-01-01",
      "numberOfEmployees": {
        "@type": "QuantitativeValue",
        "minValue": "1001",
        "maxValue": "5000"
      },
      "ownershipFundingInfo": "https://www.ymcasf.org/about/",
      "ethicsPolicy": "https://www.ymcasf.org/policies/code-of-conduct/"
    }
  ]
}
◈ Source: http://www.ymcasf.org/programs/ · Fetched: 2026-05-15T20:52:25Z · Law I — Provenance
Block 3 · @type: unknown
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "WebPage",
      "@id": "https://www.ymcasf.org/program/swim-team/",
      "url": "https://www.ymcasf.org/program/swim-team/",
      "name": "Swim Team",
      "isPartOf": {
        "@id": "https://www.ymcasf.org/#website"
      },
      "primaryImageOfPage": {
        "@id": "https://www.ymcasf.org/program/swim-team/#primaryimage"
      },
      "image": {
        "@id": "https://www.ymcasf.org/program/swim-team/#primaryimage"
      },
      "thumbnailUrl": "https://media.ymcasf.org/wp-content/uploads/2024/12/20150459/Presidio_AdultAquatics_2017-8392.jpg",
      "datePublished": "2024-12-31T19:30:28+00:00",
      "dateModified": "2025-10-17T21:56:42+00:00",
      "description": "Swimming on a team as a means of exercise is not limited to youth or Olympic Swimmers. By joining a Swim Team, swimmers focus on stroke technique and endurance which lead to physical, mental and social benefits.",
      "breadcrumb": {
        "@id": "https://www.ymcasf.org/program/swim-team/#breadcrumb"
      },
      "inLanguage": "en-US",
      "potentialAction": [
        {
          "@type": "ReadAction",
          "target": [
            "https://www.ymcasf.org/program/swim-team/"
          ]
        }
      ]
    },
    {
      "@type": "ImageObject",
      "inLanguage": "en-US",
      "@id": "https://www.ymcasf.org/program/swim-team/#primaryimage",
      "url": "https://media.ymcasf.org/wp-content/uploads/2024/12/20150459/Presidio_AdultAquatics_2017-8392.jpg",
      "contentUrl": "https://media.ymcasf.org/wp-content/uploads/2024/12/20150459/Presidio_AdultAquatics_2017-8392.jpg",
      "width": 2000,
      "height": 1333,
      "caption": "Group of 5 people in swimsuits at a pool."
    },
    {
      "@type": "BreadcrumbList",
      "@id": "https://www.ymcasf.org/program/swim-team/#breadcrumb",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Programs",
          "item": "https://www.ymcasf.org/programs/"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Swim Team"
        }
      ]
    },
    {
      "@type": "WebSite",
      "@id": "https://www.ymcasf.org/#website",
      "url": "https://www.ymcasf.org/",
      "name": "YMCA of Greater San Francisco",
      "description": "Find Your Purpose, Find Your Y",
      "publisher": {
        "@id": "https://www.ymcasf.org/#organization"
      },
      "alternateName": "YMCA SF",
      "potentialAction": [
        {
          "@type": "SearchAction",
          "target": {
            "@type": "EntryPoint",
            "urlTemplate": "https://www.ymcasf.org/?s={search_term_string}"
          },
          "query-input": {
            "@type": "PropertyValueSpecification",
            "valueRequired": true,
            "valueName": "search_term_string"
          }
        }
      ],
      "inLanguage": "en-US"
    },
    {
      "@type": "Organization",
      "@id": "https://www.ymcasf.org/#organization",
      "name": "YMCA of Greater San Francisco",
      "alternateName": "YMCA of Greater San Francisco",
      "url": "https://www.ymcasf.org/",
      "logo": {
        "@type": "ImageObject",
        "inLanguage": "en-US",
        "@id": "https://www.ymcasf.org/#/schema/logo/image/",
        "url": "https://media.ymcasf.org/wp-content/uploads/2024/01/11211932/ymca-logo.svg",
        "contentUrl": "https://media.ymcasf.org/wp-content/uploads/2024/01/11211932/ymca-logo.svg",
        "width": 63,
        "height": 48,
        "caption": "YMCA of Greater San Francisco"
      },
      "image": {
        "@id": "https://www.ymcasf.org/#/schema/logo/image/"
      },
      "sameAs": [
        "https://www.facebook.com/YMCASF/",
        "https://instagram.com/ymcasf/",
        "https://www.youtube.com/c/YmcasfOrg_SF",
        "https://www.linkedin.com/company/ymcasf/"
      ],
      "description": "For more than 160 years, the YMCA has addressed the most pressing social issues of the day—whether helping newcomers adjust to life in America, providing safe spaces for youth from all backgrounds to learn and grow and inspiring action in and across our communities. In the greater San Francisco area, our YMCA provides accessible support and opportunities that empower people and communities to learn, grow and become healthier. With a focus on youth development, healthy living and social responsibility, the Y nurtures the potential of every youth and teen, improves the San Francisco Bay Area's health and well-being, and provides opportunities to engage with and support each other. Every day, we work side by side with our neighbors to make sure that everyone, regardless of age, income or background, has the opportunity to improve their lives and their community. At the YMCA of Greater San Francisco, our mission is to build healthy, sustainable, and equitable communities for all generations.",
      "email": "[email protected]",
      "telephone": "(415) 772-5500",
      "legalName": "YMCA",
      "foundingDate": "1853-01-01",
      "numberOfEmployees": {
        "@type": "QuantitativeValue",
        "minValue": "1001",
        "maxValue": "5000"
      },
      "ownershipFundingInfo": "https://www.ymcasf.org/about/",
      "ethicsPolicy": "https://www.ymcasf.org/policies/code-of-conduct/"
    }
  ]
}
◈ Source: http://www.ymcasf.org/program/swim-team/ · Fetched: 2026-05-15T20:52:25Z · Law I — Provenance
schema.org v2.0.0 · source: http://www.ymcasf.org/marin/ schema.org/WebPage ↗
Semantic Words 40 words · frequency ranked · Law III
40 words · top 5: ymca · school · community · programs · family · click to expand
Top 40 words by frequency from http://www.ymcasf.org/marin/ + 3 interior pages (3,264 words total). Stop-words stripped. Ranked by repetition.
#1ymca179x · 6.51%
#2school68x · 2.47%
#3community65x · 2.36%
#4programs53x · 1.93%
#5family52x · 1.89%
#6youth46x · 1.67%
#7elementary46x · 1.67%
#8swim42x · 1.53%
#9wellness34x · 1.24%
#10san33x · 1.2%
#11health31x · 1.13%
#12schedule31x · 1.13%
#13quot31x · 1.13%
#14adults26x · 0.95%
#15group23x · 0.84%
#16links23x · 0.84%
#17aquatics22x · 0.8%
#18events22x · 0.8%
#19francisco22x · 0.8%
#20span22x · 0.8%
#21quick21x · 0.76%
#22marin20x · 0.73%
#23featured20x · 0.73%
#24team20x · 0.73%
#25services19x · 0.69%
#26peninsula19x · 0.69%
#27presidio19x · 0.69%
#28greater19x · 0.69%
#29overview19x · 0.69%
#30resources18x · 0.65%
#31exercise18x · 0.65%
#32locations16x · 0.58%
#33mission16x · 0.58%
#34stonestown16x · 0.58%
#35tribe16x · 0.58%
#36chinatown15x · 0.55%
#37teens14x · 0.51%
#38hours14x · 0.51%
#39embarcadero14x · 0.51%
#40support14x · 0.51%
Law III — frequency measured, meaning is the reader's · source: http://www.ymcasf.org/marin/
Text Topology Fingerprint v1.0.0 · long · 27,283 chars · Law III
Six-layer pre-linguistic shape measurement. Deterministic. Same input, same output, always. Hash: f4f1eb8520cf8acb5ce336de26482d56...
◈ Signal Matrix
0.259
TTR
0.112
HAPAX
0.888
REP
0.720
BIGRAM
0.431
H2T
0.614
CPRT
2.406
SKEW
5.463
KURT
1.915
C/P
1.739
PENT
0.907
S1P
0.001
NASC
TTR=type-token ratio · HAPAX=hapax ratio · REP=repetition score · BIGRAM=bigram repetition · H2T=hapax-to-type · CPRT=capital token ratio · SKEW=sentence skewness · KURT=sentence kurtosis · C/P=comma-period ratio · PENT=punct entropy · S1P=single-sent para ratio · NASC=non-ASCII ratio
◈ Topology Position
Latin dominant · moderate lexical diversity · short-form declarative register · high clause nesting · narrow topic focus · moderate uncommon edge signal
◈ Six Measurement Layers
Layer 1 — Character
0.0013
Non-ASCII Ratio
0.0 = Latin-dominant · 1.0 = fully non-Latin script
Layer 1 — Character
3.5079
Character Entropy
Shannon entropy of character distribution.
Layer 1 — Character
'e' (2106x)
Most Frequent
Highest-frequency character. Law V — common edge.
Layer 2 — Token
0.2593
Type-Token Ratio
Unique tokens / total tokens. Lexical diversity signal.
Layer 2 — Token
0.1118
Hapax Ratio
Tokens appearing exactly once. Law VI — uncommon edge.
Layer 6 — Document
0.4309
Hapax to Type
Hapax count / unique token count.
Layer 3 — Punctuation
1.9151
Comma/Period Ratio
Clause complexity per sentence.
Layer 3 — Punctuation
1.7387
Punct Entropy
Shannon entropy across punctuation types.
Layer 4 — Sentence
63
Sentence Count
Total detected sentences across all crawled pages.
Layer 4 — Sentence
2.4057
Skewness
Positive = long-tail. Negative = conversational.
Layer 5 — Paragraph
0.9070
Single Sent Ratio
High = web copy. Low = academic prose.
Layer 6 — Document
0.8882
Repetition Score
Tokens appearing more than once / total.
◈ Token Length Distribution
1-3
22%
4-6
42%
7-10
32%
11-15
3%
16-20
0%
21+
1%
◈ Density Gradient — TTR per Document Tenth
Front-loaded = abstract/preamble · Flat = consistent prose · Back-loaded = building complexity
◈ Lexical Richness Curve — Rolling Window TTR
0.520.96
Window=50 tokens · Step=25 · 157 data points
topology_fingerprint.py v1.0.0 · sha256: f4f1eb8520cf8acb... · Law III + Law VI
Ratio Signals 8 deterministic measurements · the gap is the signal
Eight deterministic measurements. Law I: every value traces to its source stage.
schema density
0.9250
Schema props extracted / top semantic words.
nav ratio
0.6371
Nav URLs / total internal URLs.
content to structure ratio
0.0147
Total words / raw HTML bytes. Content density.
external tld diversity
3
Unique TLD count in outbound links.
self declaration coherence
0.2320
Fuzzy overlap across title / H1 / meta / schema name.
schema to nav alignment
0.0000
Schema type tokens vs nav link text overlap.
javascript surface ratio
0.0000
Fraction of interior pages JS-gated.
URL Depth Distribution
depth_0: 3 · depth_1: 50 · depth_2: 65 · depth_3plus: 6
Internal URLs by path depth. Depth 0 = root.
Tech Stack · Security · Freshness SecurityLabel.NONE · FreshnessLabel.CURRENT
Sitemap: ✗Robots.txt: ✗Schema.org: ✓Open Graph: ✓Canonical: ✓HTTPS: ✗HSTS: ✗CSP: ✗
Security
SecurityLabel.NONE
Freshness
FreshnessLabel.CURRENT
Server
cloudflare
cmsWordPress
cdnCloudflare
web_servercloudflare
analytics['Google Analytics', 'Google Tag Manager']
Ledger Appends 13 ledgers · graph edge traversal · Law V+VII
Build: national-transit-v1.0.0 Spec: Root-LD v1.0 Status: LIVE Minted: 2026-05-15
ymcasf.org · gdr-3ea47e06
ymcasf.org is recorded in the Global Data Registry — open provenance infrastructure for the machine-readable web.
View the Registry →