Trail Running calendar near Stinson Beach 2025-2026

Run the historic Skyline 50K at Lake Chabot Marina, one of the oldest continuously held 50K races in the US, with 50K and half marathon options. Celebrate at the finish with plant based food, beer and a family friendly vibe.

Run classic trails at Lake Chabot Marina for the 43rd Dick Collins Firetrails on September 26, 2026. Choose 100k, 50 mile or marathon distances and enjoy strong aid support, finisher gear and a restored vintage course.

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.