Trail Running calendar near Santa Monica Mountains 2026-2027

An evening trail event in Pasadena's Lower Arroyo Park offering 6K and 12K routes with chip timing and aid stations. The finish includes tacos and drinks and runners receive a commemorative shirt and wooden medal.

A 5K run or walk with a 282 step climb at Baldwin Hills Scenic Overlook in Culver City that benefits the Aztlan Athletics Foundation. Registration runs from 10/10/2025 to 12/31/2025 with a $45 fee.

A two-mile beach run in Hermosa Beach, California on August 1, 2026, organized by the Mira Costa Track and Cross Country teams. Registration runs April 17 to August 1 and the $30 fee supports the team.

A trail race in Malibu Creek State Park offering a **50k** with 5,511 ft climbing and a **25k** with 2,783 ft, stocked aid stations, a $3,500 50k prize purse, and series points toward the Bulldog Challenge.

Two day 5K mud run in Moorpark, CA on August 15 and 16, 2026. The course includes 15 major obstacles, deep mud pits and rolling hills, with rinse stations and a Basecamp area featuring food trucks and music.

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

A free community run and festival in Los Angeles on August 29, 2026 featuring a 4 mile group run, an expo with vendors and a raffle.

A community running event at John Glenn High School in Norwalk on September 5, 2026, supporting Cerritos High School and honoring local history. Features a 3 mile in person and virtual option, a youth sprint and a high school invitational.

The 61st Mt Baldy Run to the Top on September 7, 2026 is a fundraising mountain trail race in the Angeles National Forest covering about 7 miles with 4,000 feet of ascent to the 10,064 foot summit, with proceeds aiding local services.

A 5 km Stadion obstacle race with 20 obstacles at Angel Stadium on September 12, 2026, plus a 1-1.5 km kids race and spectator access.

An evening trail running event in Griffith Park with a 10-mile team relay, a 5K solo race, and a 1K kid run. The course features skyline views, race photos, medals, live music, and team awards.

Experience a scenic multisport event at Crystal Cove State Beach featuring swim legs in the Pacific Ocean and a closed bike course on the Pacific Coast Highway. Choose from triathlon duathlon aquabike or trail run options.

An evening trail event in Topanga with a timed 10k featuring about 1,360 ft of climbing and a non-timed 4.5-mile Hiker's Delight, plus aid stations, post-race amenities and shuttle-only parking.

An urban event in downtown Los Angeles with a stair climb up 1,664 steps at the U.S. Bank Tower, an Urban Hike past major cultural sites, a Heroes Challenge category, and a virtual participation option.

A 3.1 mile trail event at Ascot Hills Park in Los Angeles with chip timing and views of Dodger Stadium and the Hollywood sign. Proceeds support the Wilson High School Fire and Police Magnet Cadet Program and Ascot Hills Park.

25K and 50K trail ultras on Mt. Wilson in the Angeles National Forest, featuring technical single track, regular aid stations, and significant elevation gain.

Bandit Ultra Trail in Simi Valley on September 26, 2026 offers 50K, 30K and 15K trail courses through Rocky Peak and Tapo Canyon. The event is based at Corriganville Park and includes multiple aid stations and varied terrain.

A themed run in Long Beach on September 27 with Half Marathon, 10K, 5K, a family mile and kids dash, ocean views, chip timing and a pizza themed finish line festival.

Back On The Ranch Trail Run in Los Olivos CA runs October 2 to 4, 2026 and offers timed trail formats from three hours to 48 hours. The event is organized by AllWeDoIsRun, a promoter of California Central Coast trail events.

A 100 mile endurance run through the San Gabriel backcountry, held since 1986; the 2026 edition uses an out and back course from Loma Alta Park.