Mt. Tam Trail Run

Stinson Beach, United States • 8 Nov 2025

The Mt. Tam Trail Run is a scenic trail running event held at Stinson Beach, California, featuring distances of 10K, half marathon, 30K, and 50K. The course begins at Stinson Beach and ascends Mount Tamalpais, offering challenging climbs and stunning views before returning via trails through the Headlands to the beach.

The terrain includes technical dirt trails and fire roads with significant elevation gains, such as 6,000 feet for the 50K. The event has a capacity of 500 runners and emphasizes environmental responsibility as a cupless race. Aid stations provide a variety of nutrition and hydration options.

Awards and prize money are offered, especially for the 50K top finishers. Visit the organization's website for the most recent information.

Race information

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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