S.F. Noe Valley Find-Your-Way 5K & 10K

Join the Women's Headlands Half Marathon on October 4, 2025 for a scenic trail run through the Marin Headlands. New for 2025, the route features singletrack climbs, descents and ocean views and starts and finishes in Mill Valley.

Event overview The Reservoir Dogs Trail Run is a trail-running event on EBMUD lands around San Pablo and Briones Reservoirs near Orinda and El Sobrante, CA. The event takes place on Saturday, October 4, 2025, and offers three distances: 35..

Event overview The Star City San Bruno Mountain Half Marathon & 5K is set for October 4, 2025 in Brisbane, CA. Distances offered: Half marathon 5K The half marathon is 93% on trail with about 2,400 ft of elevation gain and includes a..

Womens Headlands Half Marathon : October 4, 2025 The Womens Headlands Half Marathon is a women’s trail half marathon in the Marin Headlands. The event uses a new half marathon course that begins and ends at the San Francisco Running Company..

Explore Tiburon Peninsula trails at Go Wild! Marin in Corte Madera on October 11. Pick a 2 Hr or 4 Hr solo or team map run to find up to 24 checkpoints, then relax with refreshments and socializing.

Ruth Anderson Memorial Endurance Run is an ultramarathon held in San Francisco, California, circling Lake Merced. Runners complete a multi-lap course on a 4.475-mile paved bike path, with aid stations at the start/finish and each loop. The..