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 back 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 friendly atmosphere with post-race food and family-friendly beach activities. Aid stations provide a variety of nutrition options, and the race promotes environmental responsibility by being a cupless event.
The race has a capacity of 500 runners and offers prize money for the 50K top finishers. Visit the organization's website for the most recent information.