Spartan Trail - San Jose Trail Challenge

Run-de-Vous is an ultramarathon event at Harvey Bear Ranch Park in San Martin, California. Runners can tackle distances including 100M, 100K, 50M, 50K, a 50M Relay (four-person teams), a marathon, and a half marathon. The course is a fast, easily managed 2-mile loop, bordered by rolling hills and di..

The SPASM Crystal Springs Trail Run takes place in Woodside, California, at Huddart Park, offering runners a scenic experience through towering redwoods, lush ferns, and trails in Huddart Park, King's Mountain, and Bear Gulch. The event features multiple distances: 8K, Half Marathon, 35K, Marathon,..

The Apple City 5k is an inaugural running event held at Pinto Lake County Park in Watsonville, California. Celebrating the agricultural heritage of the Pajaro Valley, the race features a scenic 5k course along gentle trails that circle the park's meadows. In addition to the main 5k, there is a Kids..

The Stevens Creek Striders Reservoir Run, held in Cupertino, California, offers a scenic trail running experience with distances of a half marathon (13.2 miles), 11K, and a 2.5-mile Lollipop Loop charity run/walk. The course features shaded single-track trails and open ridge vistas, with challenging..

South Hills Single Track Trail Run takes place at Calero County Park in San Jose, California. The event offers a full slate of distances: 1 mile kids run, 5K, 10K, 9 mile, half marathon, 16 mile, trail marathon, and 50K. The course blends single-track trails and dirt roads, showcasing oak trees, hil..

Garin Park XC Challenge 2025, held at Garin/Dry Creek Pioneer Regional Parks on Garin Avenue in Hayward, California, is a 5K cross-country race described as a tough yet scenic run along the Garin Park ridge. Now in its 21st year, the event is part of the Pacific Association of USA Track & Field Cros..