Trail Running calendar near Los Angeles 2026-2027

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.

Experience high altitude obstacle racing at Big Bear Mountain Resort featuring steep climbs and over 1200 feet of descent. Conquer the Sprint, Super, or Beast distances to earn your Trifecta qualification in the San Bernardino National Fore..

Trail races at O'Neill Park in Trabuco Canyon offer five distances from 10k to 50k. Registration closes May 1 and entries are non refundable but may be rolled over if cancellation is due to weather or fire.

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.

A multi-distance ultrarun at a private ranch in Riverside on May 23 to 24, 2026, offering 3, 6, 12, 24 hour, 24 hour relay and 100 mile options. Flat 1 mile dirt and grass loop with free camping and on course support.

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.

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.

Trail races at Point Mugu State Park in Malibu on June 6, 2026, offering distances from a half marathon up to 100K. Registration closes June 1 at 11:59 PM PT.

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..

Experience a team relay or individual 8K through the scenic trails and fire roads of Los Angeles' Griffith Park featuring a festive tailgate atmosphere with DJs and food trucks.

Join the Phoenix Rising event at Griffith Park in Los Angeles for a variety of distances on a scenic dirt trail course. Enjoy a relaxed racing experience with finisher medals and aid stations included for all participants.

Trail running event at Whittier Narrows Natural Area on June 13, 2026 with 5K and 10K loop courses plus a kids dash for ages 3 to 12. Registration opens April 13 and fees increase after April 30.

The Old Zoo Half Marathon offers a half marathon and a 12K on scenic, flat trails starting at the historic Old LA Zoo. Runners receive a unique elephant finisher medal and other amenities. Early registration is advised as space is limited.

Experience the Orange Curtain Endurance Run along the San Gabriel River in California. Featuring USATF certified courses from 10k to 100k, this event offers a fast and flat route perfect for personal milestones and Boston qualification.