Trail Running calendar near Chino Hills 2026-2027

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.

Join a community event at California State University Channel Islands featuring a variety of road and trail races from 1 Mile to 15K. Support autism awareness while earning a unique finisher medal on this scenic campus course.

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.

This trail race in Santa Clarita's historic Placerita Canyon offers a wide range of distances, from a 5K to a 120K ultramarathon. The course travels through the golden hills of the East Walker Ranch Open Space, featuring singletrack trails..

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.

Challenge yourself on the scenic trails of Crystal Cove State Park. Choose from 5K, 25K, or 50K distances with hill climbs and ocean views. Your run supports the John Wayne Cancer Foundation's fight against cancer.

The O'Neill Park Trail Races offer a range of distances on the trails in South Orange County. Join the event in Trabuco Canyon on May 16, 2026.

Run along the iconic LA River Path in Canoga Park with a fun, 80s martial arts theme. Choose from a 5K, 10K, or half marathon, or join virtually. Expect themed music, costumes, and a finisher's medal.

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.

Nanny Goat is a family-friendly timed run on a flat, one-mile loop at a private horse ranch in Riverside. Choose from solo 3 to 24 hour races, a 100 miler, or a 24 hour relay. The event offers free camping, swimming, and a medal for every p..

Experience one of California oldest trail races in Sierra Madre. Run the historic 8.6 mile course with 2160 feet of elevation gain or participate in dedicated kids fun runs through the community.

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 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 the scenic bridle trails of Rolling Hills Estates in this annual 5K and 10K run and walk. Starting at Ernie Howlett Park, participants enjoy a trail route through beautiful local landscapes with awards for top finishers.

The Malibu Canyon Trail Races offer five distances on the trails of Point Mugu State Park in Malibu. Choose from a 100K, 50 mile, 50K, 30K, or half marathon challenge.

The inaugural Fullerton Fit 5K Trail Run offers a scenic dirt trail course through the Brea Dam area. The event also includes a Health & Wellness Fair with local vendors and food trucks. Registration includes a shirt, medal, and other race..