Stinson Beach/Muir Woods Marathon

Muir Woods gives trail marathoners a small-field Marin course with Dipsea climbs, Steep Ravine stairs, redwoods, coastal views, and a 300-runner cap.

Next race2027 date TBD
LocationStinson Beach, California
Boston qualifierNo

Stinson Beach/Muir Woods Marathon quick facts

  • Long-running Marin trail marathon with half marathon and 7-mile options.
  • Registration is handled through the official Race Roster event page.
  • Small participant limit keeps the race scenic but not crowd-heavy.

What is the Stinson Beach/Muir Woods Marathon?

Enviro-Sports' Stinson Beach/Muir Woods race is a destination trail marathon rather than a mass road event, capped at a small field on classic Marin terrain.

Stinson Beach/Muir Woods Marathon course route

The trail route climbs from Stinson Beach into Muir Woods, uses Dipsea and Steep Ravine terrain, and sends marathoners through repeated technical sections.

Weather for the Stinson Beach/Muir Woods Marathon

May near the coast is often cool, but exposed climbs can warm quickly. Trail shoes, water, and comfort on stairs matter more than road-race splits.

Past Stinson Beach/Muir Woods Marathon dates and results

YearDateStatusResults
2026Saturday, May 9, 2026CompletedOpen results

Stinson Beach/Muir Woods Marathon FAQ

When is the Stinson Beach/Muir Woods Marathon?

We're waiting for the finalized date for the 2027 Stinson Beach/Muir Woods Marathon. The most recent running was on Saturday, May 9, 2026.

How do I register for the Stinson Beach/Muir Woods Marathon?

You can register for the Stinson Beach/Muir Woods Marathon at raceroster.com.