Trail Running calendar near Anaheim 2026-2027

Cahuilla Rez Ultra is a Native organized trail event on the Cahuilla Indian Reservation near Anza, California offering multiple fixed time and distance races on a 2 mile dirt loop. Proceeds support the Cahuilla Band of Indians Youth and Fam..

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.

Trail running at Vasquez Rocks Natural Park in Aqua Dulce, CA with 13.9 mile, 15K, 10K and 5K race options on October 17, 2026.

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 reborn 200 mile endurance run in Escondido, California held October 23 to 26, 2026. Limited to 24 experienced ultrarunners, it requires crew support and allows 82 hours to complete the full course.

Wildwood Canyon Trail Run on October 24, 2026 in Yucaipa, CA features an 8-hour loop on a 3.7 mile course with about 600 ft climb per loop and a separate 6K on the same trail; aid stations and vendors are provided.

Trail races in Agoura, CA organized by SoCalTrail, featuring a 50K ultra, a half-marathon and a short trail distance through Chesebro Canyon with varied singletrack, fire roads, aid stations and finisher medals.

A multi-distance trail event at Lake Perris featuring 10, 20, 50, 100, and 200 mile courses, substantial elevation gain, aid stations, pacer rules, group camping, and cash prizes for 100 and 200 mile podiums.

Trail races at Caspers Wilderness Park on October 31, 2026 offering 10k, half marathon, 35k, marathon and 50k routes with marked courses and event support.

A trail event at Crystal Cove State Park on October 31, 2026 featuring a 4 mile loop with about 700 feet of climb per lap and ocean ridge views. The race is USATF sanctioned and part of the Southern California UltraRunner's Grand Prix Serie..

A trail event in Silverado, CA, with marathon, 25k, half and 10k courses routed from Black Star Canyon; the marathon has 4,244' of elevation gain and aid stations are placed along the route.

Run through the historic streets of Avalon and the rugged interior trails of Catalina Island. Choose between a half marathon, 10K, or kids fun run featuring stunning Pacific Ocean views and island landmarks.

Fixed-time trail runs on an approximately 2.75 mile loop in O'Neill Regional Park with 3, 6 and 8 hour options through wooded canyons and varied terrain.

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.

Friendsgiving at Whittier Narrows offers 5k, 10k, 15k and Half Marathon options on Nov 15, 2026 with marked out and back loops, aid station, medals and race photos.

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.

Trail running event in Griffith Park, Los Angeles on Nov 21, 2026, offering multiple distances from 10K to 50K and organized by Keira Henninger Events.

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 offering a half marathon, 10k and 5k, with fire road and singletrack courses, finisher medals, race photography, a post-race beer garden 21 plus and a taco breakfast.