Muir Woods Marathon

Stinson Beach/Muir Woods Marathon, Half Marathon & 7 Mile

The Stinson Beach/Muir Woods event is a trail running race that begins at the Stinson Beach parking lot in Stinson Beach, California and follows wooded trails through Muir Woods and the Dipsea Trail. The route includes Steep Ravine with a wooden ladder, natural rock and wooden staircases, and sections where runners pass under tree trunks. The course offers views, brooks and waterfalls and is limited to 300 participants.

Distances

• Marathon
• Half Marathon
• 7 Mile

The course is marked with orange ribbon. Seven milers turn at the first aid station; half marathoners and marathoners complete a loop, marathoners repeat the loop and run an additional out and back with a signed turnaround. Aid stations are located at miles 3.8, 7.5, 10.5, 14.2, 17.2 and 22.2, and participants are advised to carry water. The course cut off is 6.5 hours. Hikers and walkers are permitted.

All participants receive a T shirt. Finisher medals are awarded to full and half marathon finishers and medals are awarded to all half marathon finishers. Personalized award ribbons for the top three male and female finishers in each age group will be mailed after the event. Bib numbers are mailed beginning two weeks before the event; unreceived bibs may be picked up on race morning at the start and finish area. Parking is available at Stinson Beach Park. Headphones and other audio devices are not allowed for safety on narrow trails. Registrations are non refundable and non transferable; a rollover credit option is available if cancellation is requested by April 9, 2026 subject to a fee. Visit the organization's website for the most recent information.