2026 Stinson Beach/Muir Woods Marathon
The 2026 Stinson Beach/Muir Woods Marathon takes place on May 9, 2026, in the scenic coastal setting of Stinson Beach, California. Participants can expect mild spring weather typical of the Marin County coast, with temperatures generally ranging from 50°F to 65°F, though coastal fog may influence visibility and temperature. This trail event offers a challenging journey that begins at sea level and ascends through the dense, wooded landscapes of Muir Woods, traversing the legendary Dipsea trail and Steep Ravine.
What is the course layout for the Stinson Beach/Muir Woods Trail Run?
The route begins at sea level in Stinson Beach and climbs immediately into the redwood and oak forests. Runners encounter a variety of terrain, including wooden ladders, natural rock, wooden staircases, and sections that require scrambling under tree trunks. The course passes through babbling brooks and waterfalls before reaching a summit with panoramic vistas, eventually descending back to the coast. The first three miles of the course feature a significant elevation gain of over 1,100 feet.
Detailed course information can be found via these links:
- →Course Map: Dropbox ↗
- →Marathon Elevation Profile: Rungoapp ↗
- →Half Marathon Elevation Profile: Rungoapp ↗
- →7 Mile Elevation Profile: Rungoapp ↗
What distances are available for this event?
- →Marathon
- →Half Marathon
- →7 Mile Trail Run
Are there any participation limits or restrictions?
- →Total participation is strictly limited to 300 participants.
- →Hikers and walkers are welcome to participate in the event.
What are the course cut-off times?
To ensure safety and course management, the following cut-off times apply:
- →Marathon: 6.5 hours (approximately 15 min/mile)
- →Half Marathon: 6.5 hours (approximately 30 min/mile)
- →7 Miler: 6.5 hours (approximately 55 min/mile)