Now in its 16th year, the Marin County Triathlon continues its tradition as one of the Bay Area’s longest standing endurance sporting events. With the courses’ connection to the natural landscape and commitment to athlete experience, the Marin County Triathlon events are magnificently scenic, spectator-friendly and gentle on the environment.
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Earlier Event: March 2
Livermore Valley Half + 5K
Later Event: May 4
Bay Bridge Half Marathon