Trail Running Calendar California 2026-2027

Experience a technical trail event in the Cleveland National Forest featuring rocky scrambles and OHV trails. Choose from four distances ranging from a 5 miler to a 50 km ultra through diverse California terrain.

A point to point half marathon on May 17, 2025, descending from Mt Umunhum to the Hacienda Entrance in Almaden Quicksilver County Park. The route is about 13.4 miles with aid stations, toilet facilities, marked trails, and a 5.5 hour time l..

Experience high altitude trail running at Big Bear Mountain Resort with a scenic 10k course. Run through pine forests and technical singletrack while enjoying expansive views of the Southern Sierra.

Mud Factor Sacramento is a 5K mud and obstacle run at the 300 acre Mahon Ranch in Elk Grove on May 17, 2026. The event includes adult and KIDZ family waves, a festival area with paid spectator access, and required signed waivers.

A multi-distance loop race on a flat, one-mile dirt and grass loop at a private ranch in Riverside. Options run from 3-hour events to a 100-mile race, with camping, relay teams, and event awards.

This unique 8-mile race climbs 4,600 feet up a historic 19th-century mining road to the Cerro Gordo ghost town. At the summit, a celebration with BBQ and music awaits before a shuttle ride back down. All finishers receive a shirt and medal,..

Experience the final 70 miles of the Western States trail during this three day training event featuring supported runs of 19, 20, and 32 miles through iconic canyon terrain and mountain climbs.

A trail race at China Camp State Park in San Rafael offering 5K, 10K, and half marathon courses with scenic single track, limited to 275 entrants and staffed aid stations. Registration deadlines determine shirt guarantee and refund credit r..

A mountain trail race in Sierra Madre on May 23, 2026 featuring an 8.6 mile out-and-back course from Kersting Court to Orchard Camp, a Kids Fun Run, and community-led trail repair efforts supported by the Fletcher Trail Maintenance Fund.

The Páli Peak Trail Run takes place at the scenic Rio Bravo Ranch in Bakersfield. Choose from a 5K, 10K, or 21K half marathon, with proceeds supporting a college scholarship fund. Runners receive a shirt, medal, photos, and post-race snacks..

A trail event on the El Dorado Trail in Placerville on May 23, 2026, offering distances from a kids run to a half marathon, paved and unpaved sections, aid stations, color-coded course markings, and medals for finishers.

Return to Hahamongna Watershed Park on May 24, 2026 for a day of team relays and solo challenges. Choose a 50 km relay with teams of up to five, a solo 50 km ultra, or a 10 km fun run amid scenic Pasadena trails.

Join the Forever Brave event in Valencia for a 5k, 10k, 15k, or half marathon at West Creek Park. Enjoy a loop-based course with finisher medals and professional timing for all participants.

A 5k trail run at Black Star Canyon in Silverado, California, with mixed fire road and single track, 390 ft elevation gain, one aid station, a cupless policy, and pre-run access restricted to authorized days.

Experience an obstacle course race through the rolling hills and wooded trails of Toro Park. Choose from 5K and 10K distances or bring the family for kids races at this scenic Northern California venue near Monterey Bay.

Experience trail running at Point Pinole Regional Shoreline Park in San Pablo. Choose between half marathon, 10K, or 5K distances on a historic site once home to TNT factories.

Experience the natural beauty of the Angeles National Forest at the Pacifico Ultra. Runners can choose between 50k and 21k distances on mountain trails this May.

Experience a technical trail race through the redwood groves of Joaquin Miller and Redwood Regional parks. Choose from multiple distances ranging from an 8K to a 50K ultra marathon on accurately measured courses.

Experience a scenic run through Coyote Point Recreation Area with a 5K or 10K event supporting mental health. Enjoy a free community wellness fair featuring local health vendors and family friendly activities.

Dog friendly 5K and 1 mile events at Tahoe Vista and Incline Village with an expo and non competitive activities. Separate starts are available for human only participants and dogs receive bandanas and treats.