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Mt. Tam Trail Run

Stinson Beach, United States • 8 Nov 2025

The Mt. Tam Trail Run, held at Mt. Tamalpais State Park near Stinson Beach, California, offers challenging trail races of 10K, half marathon, 30K, and 50K distances.

Starting at Stinson Beach, the course features steep climbs to scenic viewpoints atop Mt. Tam, followed by technical dirt trails and fire roads through the Headlands, finishing back at the beach. The event accommodates 500 runners and emphasizes a cupless, environmentally friendly approach, requiring participants to carry their own hydration.

Aid stations provide a variety of nutrition and hydration options. Post-race festivities include ample food and a family-friendly beach atmosphere. Awards and prize purses are offered, especially for the 50K race. 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
21 km
1/2 Marathon
10 km
10k
Visit the organization's website for the most recent information.
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