Muir Woods Marathon

Stinson Beach, United States • 9 May 2026

Enviro-Sports presents the Stinson Beach/Muir Woods Marathon, Half Marathon & 7 Mile, a trail race held in Stinson Beach, California. The 36th edition offers Marathon, Half Marathon and 7 Mile distances, with entries capped at 300 participants. From Stinson Beach Park, racers head into the Dipsea trail, climbing into the forest surrounding Muir Woods.

The course features a wooden ladder at Steep Ravine, natural rock and wooden staircases, babbling brooks, and the scent of redwoods and oaks, finishing with panoramic views on the descent back to town. Marked with orange ribbons, the longer distances use a loop plus an out-and-back. A 6.5-hour cutoff applies. Visit the organization's website for the most recent information.

Race information

42 km
Marathon - Adult
42 km
Marathon - Youth
21 km
Half Marathon - Adult
21 km
Half Marathon - Youth
7 mi
7 Mile - Adult
7 mi
7 Mile - Youth
Visit the organization's website for the most recent information.
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