Trail Running calendar near Green Valley Lake 2026-2027

Experience an 81 mile team ultra run from the desert floor to Palomar Mountain. Run together in teams of two or three through extreme elevation changes and diverse California terrain within a 28 hour limit.

Trail races on the Soboba Indian Reservation support Noli Indian School. Choose from marathon, half marathon, 5k, or a kids' 3k walk/run. The event features Native and Open divisions, with proceeds funding a student scholarship.

Obstacle course races at Pala Fox Raceway in Pala, CA on Apr 18-19, 2026, with Sprint and Super distances, a kids race, varied terrain, and on-site services including bag check and parking.

Timed trail event at Carbon Canyon Regional Park in Brea, California. Runners choose 3 hour, 6 hour or 12 hour divisions on a 2 mile loop through the redwood grove with aid stations and finisher items.

A lap-format trail event at Lake Perris offering 10K, 50K and 100K distances with substantial elevation, aid stations, group tent camping, and a pacer option for 100K runners after two laps.

Test your speed and navigation skills in this unsanctioned 4+ mile race through Chino Hills. Navigate four checkpoints across gravel and trail terrain to compete for cash prizes in a format where you choose your own route.

A 13.5-mile trail race on fire roads and single track in Limestone Canyon with 2,719 feet of elevation gain, two aid stations, cupless policy, and limited packet pickup options.

Support youth programs while running or walking through beautiful Griffith Park. This community trail event features a 5K course for all ages and offers medals and t-shirts to the first 500 participants.

Trails n Vines Wine Run takes runners through the scenic vineyards of Orfila Winery in Escondido. Choose from 3, 6, or 9-mile trail distances and enjoy wine tastings after the race. Participation is limited to 400 runners.

Experience a fun mud filled course at Bates Nut Farm featuring waist deep mud pits and a dozen unique obstacles. This untimed event is perfect for those looking to run crawl and slide through the mud followed by a post race party.

A family-friendly, non-competitive 5K trail run/walk and 1 mile walk at Elysian Park in Los Angeles on May 2, 2026. Proceeds support CurePSP’s work on PSP, CBD and MSA; post-event food, lawn games and music are planned.

An annual 10K trail event in Glendale with a climb to 2,536 feet and panoramic views of the L.A. Basin and San Gabriel Mountains. Produced by the City of Glendale and benefiting the Glendale Parks and Open Space Foundation.

Experience the scenic trails of Crystal Cove State Park in this coastal run featuring 50K, 25K, and 5K distances to support the John Wayne Cancer Foundation.

A two-day Spartan Trifecta Weekend at Big Bear Mountain Resort featuring Sprint, Super and Beast obstacle races at high altitude with long climbs and descents; kids races and spectator access are also available.

O'Neill Park Trail Races take place May 16, 2026 in O'Neill Regional Park, using trails in Trabuco and Live Oak Canyons. The route passes coast live oak and sycamore stands and chaparral hillsides; parking requires a five dollar fee.

A 10 km high altitude trail race at Snow Summit near Big Bear on May 17 2026. The route follows singletrack through pine forest with technical climbs and a three hour finish cutoff.

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.

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.

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.

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.