Net proceeds from the Marin County Triathlon help children learn how to swim at the YMCA.

Days until the race.

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When is mandatory Packet Pick Up?

Thursday, October 26 from 3 p.m. to 7 p.m.
Sports Basement Presidio
610 Old Mason St, San Francisco, CA 94129
20% off all in-store purchases for the duration of packet pickup, just show your bib at checkout.

Friday, October 27 from 11 a.m. to 3 p.m.
McNear’s Beach County Park
201 Cantera Way, San Rafael, CA 94901
Come watch us setup and check out the Course!

Saturday, October 28, 11:00 am till 2:00 pm
McNear’s Beach County Park
201 Cantera Way, San Rafael, CA 94901
This is for those participating on SUNDAY for our OLYMPIC event ONLY!
The Park will be charging a $5 parking fee.

Race morning packet pick up ($20) must be arranged ahead of time either during registration OR by emailing hope@sustainablesports.org.

Each participant must pick up his or her own packet and must show photo ID.

No exceptions.

Thank you for your cooperation.

Why support the Sustainable Sports Foundation?

With your support, we funded Spring Splash Week at the YMCA for 350 kids.

To learn more about Sustainable Sports Foundation events & where your money goes, please click here.

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Latest News & Race Updates

Marin County Triathlon Training for KIDS!

Otter Tri is excited for this fall season, beginning October 11, where they will be training kids ages 6-19 to race and be ready for the Marin County Triathlon Sprint and/or Kids Races. If you are interested in learning more, and to sign up, visit: ...