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Trail Running calendar near San Rafael 2025-2026

We have found 66 Trailruns within 80 miles of San Rafael. See below where and when you can find the races.

Ruth Anderson Memorial Endurance Run

Lakeshore - 16 mi from San Rafael

Join the 39th Ruth Anderson Memorial Endurance Run in San Francisco on October 10, 2026. Run scenic loops around Lake Merced on a certified course with 50k and 50 mile options and aid stations for a memorable autumn ultramarathon.

November 2026

Mermaid Trail Run - Woodside

Woodside - 40 mi from San Rafael

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Enjoy a scenic but hilly trail run at Huddart Park with distances from 3 mile to half marathon, plus a 6 hour challenge and youth dash. Stay for pancakes after the race and choose a virtual option for 5K, 10K or half marathon.