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Muir Woods Trail Run

Stinson Beach, United States • 12 Jul 2025

The Muir Woods Mountain Challenge, held in Mt. Tamalpais State Park near Stinson Beach, CA, offers trail runs of 10K, half marathon, and 30K distances. The course features a challenging 2,000-foot climb early on, scenic ridge-line views of Stinson Beach and the Pacific Ocean, and technical single-track trails including the Matt Davis Trail and the famous Dipsea Trail.

The half and 30K routes pass through Muir Woods and include steep ascents and descents with rocky, rooty terrain. The event accommodates up to 300 runners and provides well-stocked aid stations with energy gels, snacks, and hydration. It is a cupless race promoting environmental responsibility, with a supportive atmosphere for both novice and experienced mountain runners. Visit the organization's website for the most recent information.

United States California Stinson Beach

Race information

Website Registration
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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