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

Days until the race.








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 Day for Adults!

Join Tri Grit in mastering the Marin County Triathlon Sprint and/or Olympic distance courses. We will be covering race day planning, strategy, rules, safety and etiquette. Learn how to set up your transition area for speed and ease. Get to know this unique course by...

Train for the Marin Triathlon with Team Tri Grit

Beginners, novices and seasoned triathletes looking to improve their times are all welcome to join Team Tri Grit. Team Tri Grit works hard and has fun. The team meets three times a week in Marin and San Francisco or you can choose to have a customized plan written for...

The 2015 Team Challenge for Charity

What is the Challenge? Teams must have a minimum of 6 people. Points will then be awarded for 4 aspects: Participating (3 points) Olympic and/or Sprint ~ Triathlon and/or Duathlon! Placing (1-5 points) Top 5 in all age groups! Volunteering (2 points) Don't want to...

Mandatory packet pick up will be held on:

Thursday, November 1st – 4:00 pm to 8:00 pm
Sports Basement Presidio, 610 Old Mason Street, San Francisco

– OR –

Friday, November 2nd – 12 pm to 4:00 pm
Sports Basement Marin, 100 Vintage Way, Novato

Everyone receives a 20% discount at the Sports Basement stores on all merchandise!