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Mt. Tam Trail Run

Stinson Beach, United States • 8 Nov 2025

The Mt. Tam Trail Run, organized by Inside Trail Racing, offers challenging trail races including 10K, Half Marathon, 30K, and 50K courses through Mt. Tamalpais State Park near Stinson Beach, California.

The event features scenic, technical trails with significant elevation gains, starting early in the morning and culminating in a festive post-race celebration with food and camaraderie. Runners can enjoy well-marked courses, aid stations with various refreshments, and a competitive prize purse for the top finishers. The race emphasizes sustainability with a cupless event policy and encourages volunteer participation.

Registration is limited, and participants receive custom medals, shirts, and awards based on performance. Visit the organization's website for the most recent information.

United States California Stinson Beach

Race information

Website Registration
50 km
50k
30 km
30k
13 mi
1/2 Marathon
10 km
10k
Visit the organization's website for the most recent information.
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