Trail Running calendar near San Leandro 2026-2027

Experience a scenic trail run around the Lake Chabot reservoir and surrounding hills in Castro Valley. With distances from 8K to 50K plus a free kids dash, this event offers varied terrain for all marathon and trail enthusiasts.

This November trail run takes on the iconic slopes of Mt. Tamalpais, starting at Stinson Beach. Runners can choose from four distances, from a 10K to a 50K ultramarathon, all featuring significant climbs and views. The event includes chip t..

Experience a fast and flat run through the scenic Quarry Lakes Regional Recreation Area in Fremont. Choose from a certified half marathon, 10k, or 5k on a beautiful trail course featuring crushed rock and creek views.

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..

Escape the wrath of Krampus with this themed cross-country run in San Francisco or from anywhere. Choose from 5K, 10K, or a nine-mile course. All finishers get unique Krampus themed swag, including a woodallion and beer stein.

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.

Celebrate the final day of the year with a trail run at Lake Chabot in Castro Valley. Choose between half marathon, 10K, and 5K distances with options for runners and hikers alike.

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 through towering redwoods and lush ferns in Woodside with distances from 8K to 50K. Experience beautiful single track trails and dirt roads in Huddart Park at this cupless trail 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.

Experience the coastal beauty of the Marin Headlands with races ranging from a 50 yard kids dash to a 50K ultramarathon. Enjoy views of the Golden Gate Bridge and San Francisco on this scenic trail run.

Experience a flat and fast bayside run at the San Leandro Marina Park with scenic views of the San Francisco Bay. Choose between Half Marathon, 10K, and 5K distances on a course perfect for setting personal records.