Trail Running calendar near Muscoy 2026-2027

A multi-distance event on the Cahuilla Indian Reservation in Anza, California with looped dirt roads, camping, hot food at aid stations, and proceeds supporting the tribe's youth programs.

Experience a diverse weekend of trail running and off road duathlon at San Diego’s Scenic Lake Hodges. Choose from distances ranging from a kid’s mile to a 50K ultra marathon or tackle the mountain bike and run challenge.

A trail race at Vasquez Rocks in Agua Dulce on October 17, 2026 offering Half Marathon+, 15K, 10K and 5K loops through rock formations, canyons and a 500 foot tunnel on the Pacific Crest Trail with multiple aid stations.

A trail running event in October at Hahamongna Watershed Park offering 5K, 10K and a hilly half marathon across mixed single track and fire roads.

A 200 mile endurance run around San Diego County held in Escondido Oct 23 to 26, 2026. Runners have 82 hours to finish, must have crew support, and the field is limited to 24 experienced ultrarunners.

A trail event at Los Coyotes Reservation on October 23-24, 2026 offering a 3.1-mile Yellow Loop and timed 6H and 24H ultra options across desert and alpine trails, with on-site camping, food trucks, and festival amenities.

A team trail relay at Los Coyotes Reservation on October 23-24, 2026 covering 112.8 miles and 23,800 feet elevation gain with camping and village amenities.

An 8-hour loop race and a separate 6K at Wildwood Canyon State Park in Yucaipa, CA, featuring a 3.7 mile loop with ~600 ft gain per loop, aid stations, vendors, and an after party at a local brewery.

A multi-distance trail festival at Lake Perris featuring 10 to 200 mile races on looped, technical courses, substantial elevation gain, aid stations, group camping, pacer rules, and cash prizes for 100 and 200 mile overall finishers.

Trail races at Caspers Wilderness Park in San Juan Capistrano across multiple distances including 10k, half marathon, 35k, marathon and 50k. The event features marked courses, aid stations and participant merchandise.

Timed trail runs of 6 hour and 4 hour take place at Crystal Cove State Park in Laguna Beach on October 31, 2026. Organizer Sunshine Trail Racing lists entry fees and a registration deadline of October 28.

A trail race in Silverado routed out of Black Star Canyon, offering marathon, new 25k, half and 10k distances with significant elevation gain and aid stations along the course.

Live Oak Odyssey is a fixed time trail running event at O'Neill Regional Park offering 3, 6 and 8 hour looped runs on a roughly 2.75 mile loop with about 500 feet of elevation gain per loop and a main aid station.

A trail event on November 14, 2026 in Yucaipa, CA offering 21 mile, 10 mile, and 4 mile courses through the Crafton Hills. Ten percent of registration fees support the Crafton Hills Open Space Conservancy.

Trailsgiving at Elysian Park on November 14, 2026 features marked out and back trail routes on hard packed dirt with hills. Distances include 5k, 10k, 15k, and a half marathon with on-course aid and finisher medals.

Terrain Race Irvine is an obstacle and mud focused 5K at Oak Canyon Park on November 21, 2026, featuring mud pits, walls, ropes and 11+ obstacles, plus pre race packet pickup and a post race festival with food, music and vendor booths.

A trail race in Griffith Park, Los Angeles on November 21, 2026 offering multiple distances from 10k to 50K. Organized by Keira Henninger Events with registration closing November 18 and listed entry fees from $103.43 to $189.87.

A Thanksgiving Day community run in Santa Clarita offering a 5K cross country course through Central Park and a 1K for children. The event benefits the Santa Clarita Track Club and awards medals to the first 600 competitors.

A Thanksgiving morning trail event in the Santa Monica Mountains with a 13.67-mile half-marathon, 10k and 5k on fire roads and singletrack. Half-marathon winners receive $500 and entries include a shirt, finisher medal, photography, breakfa..

A Thanksgiving morning coastal 1K 5K and 10K walk and run in Huntington Beach that raises funds with World Help to drill clean water wells serving communities worldwide.