Trail Running calendar near San Leandro 2026-2027

Trail navigation event in Santa Cruz where solo runners or teams use a custom map to find up to 20 checkpoints in 2 or 4 hour formats; a finish area offers refreshments and social time.

A Thanksgiving morning event in San Jose offering 5K, 10K, a USATF certified half marathon, age-group races and a free kids' 50-yard dash. The course is mostly asphalt, aid stations appear every 2 to 4 miles, and the event is cupless.

Event Details The Quarry Turkey 2026 is scheduled for Saturday, November 28, 2026. It is held at the Quarry Lakes Regional Recreation Area on Isherwood Way in Fremont, California. Distances The event offers several race distances: Half Mar..

A San Francisco trail event offering live and virtual options across three distances. Participants receive a handcrafted woodallion, a Krampus lifestyle tee, and a Krampus beer sampler stein, with pre race pickup and a BREWFEST.

This event takes runners on flat, fast courses through the scenic Quarry Lakes park and along the Alameda Creek Trail. It features multiple distances including a certified half marathon, plus special youth and free kids' races. All finisher..

The Calero Trail Run (Winter) takes place on the trails of Calero County Park in San Jose. Runners can choose from a wide range of distances, from a 1-mile run to a 50K ultramarathon. The courses feature hills, single-track, and panoramic v..

The Hunter S. Thompson Fear & Loathing will take place in San Francisco on Sunday 6 December 2026. You can run between 50 and 50 miles.

Run through the redwoods and pines of Sanborn County Park. Choose from a half marathon, 10K, or 5K on scenic single-track trails. Walkers are welcome and all finishers get a medal.

Ring in the new year with a trail run at Lake Chabot. Choose from a half marathon, 10K, or 5K on New Year's Eve. For a special challenge, run both days to earn the Mega-Medal.

Start the new year with a run at Lake Chabot in Castro Valley. Choose from a half marathon, 10K, or 5K on January 1st. This event is part of the Brazen Ultra Half Series, offering a trail challenge.

Explore the redwood trails of Huddart Park across distances from 8K to 50K. The routes offer varied terrain and significant elevation gain, with full aid station support. All finishers receive a custom medal in this cupless event.

Run or walk scenic bay trails at Coyote Hills Regional Park. Choose from three distances: half marathon, 10K, or 5K on a course with minimal climbing. Aid stations are available, and a Hiker Division is offered for walkers.