Net proceeds from the Marin County Triathlon help children learn how to swim at the YMCA.
Days until the race.
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Latest News & Race Updates
Join Tri Grit and Otter Tri in exploring and mastering the Marin Triathlon Course. 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 doing it...
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Welcome to February and Happy Super Bowl Week! We would like to invite you to join us this coming Saturday morning for a run around and through Golden Gate Park in San Francisco, led by the Half Full Running Club and hosted by Andronico's FitMarket. There is a 5 mile...
Photos for the 2015 Marin Triathlon are now available! Click here for Sprint photos. Click here for Olympic...
Excitement in the air in preparation for our eighth annual Marin County Triathlon Weekend! Approximately 800 participants will be swimming, biking and/or running at this year's race. They will experiencing the live drumming and Afro/Cuban music, the boutique feel of...
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: ...