Trail Running calendar near Long Beach 2026-2027

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.

A single-day *100 mile* ultramarathon through the San Gabriel backcountry, held since 1986; the event features volunteer-run aid stations, trail work programs, and qualifying status for major ultraraces.

A 9.1 mile loop from the Mt Baldy ski area to the 10,064 ft summit of Mt San Antonio via exposed ridgeline and technical alpine trails, then back to the parking lot. The race is capped at 500 runners.

A 5K at Ernie Howlett Park on the Palos Verdes Peninsula with a shaded horse-trail course, in-person and virtual options, and a fundraising entry where raising $100 covers registration and benefits Strides in Recovery.

The ABWR Half Marathon - Valencia will take place in Santa Clarita on Sunday 4 October 2026. You can run between 5 and 13 miles.

On October 10, 2026 That's No Moon offers 50 Mile, 50K and 30K races in the remote Santa Ana Mountains near Silverado. Courses run on forest roads with significant elevation gain, staffed aid stations, and mandatory self-sufficiency require..

Ruff Run California on 10/17/2026 in Phelan, CA presents a 20 acre obstacle course for people and their dogs with over 20 obstacles, 4K and 1K options, and an after party with music, games and vendors.

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 races at Vasquez Rocks in Agua Dulce on October 17, 2026 offer looped 5K, 10K, 15K and Half Marathon+ courses across rocky, sandy and single track terrain. The 15K and Half Marathon+ include a roughly 500 foot black hole tunnel.

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 trail running event at Caspers Wilderness Park on October 24, 2026, offering 10k, half marathon, 35k, marathon and 50k courses. Courses are described as marked and supported, with an athlete guide and past results available.

Trail running at Wildwood Canyon State Park in Yucaipa with an 8 hour loop race on a 3.7 mile loop and a separate 6K that follows the same scenic circuit.

Trail running in Chesebro Canyon near Agoura with a 50K, a half marathon and a short trail race; courses feature singletrack, fire road climbs, stocked aid stations and post race food with a beer garden for 21 plus.

A multi-distance trail event at Lake Perris featuring a 200-mile ultramarathon with 44,000+ feet of climb, technical terrain, looped courses, camping, aid stations, pacer rules, and cash prizes for 100 and 200 mile podiums.

A timed trail event at Crystal Cove State Park in Laguna Beach on October 31, 2026, offering 6 hour and 4 hour options, with a parking fee that is card only and a no refunds or transfers policy.

A trail running event in Silverado, CA rerouted to Black Star Canyon with four distances including a new 25k. The marathon features significant climbing and multiple aid stations along creekside trails, switchbacks and ridge sections.

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.

A fixed-time trail run at O'Neill Regional Park on November 14, 2026, offering 3, 6 and 8 hour formats on a roughly 2.75 mile loop with varied single- and double-track terrain and a major aid station at the start/finish.

Trail running and hiking event in the Crafton Hills near Yucaipa offering 21 mile, 10 mile, and 4 mile courses with notable elevation gain. Ten percent of registration fees support the Crafton Hills Open Space Conservancy.

A 30th annual community 3.14 mile run in Ventura on November 15, 2026, held on a new course with online registration only. The event aims for zero waste and includes a Patagonia store bib discount the week after the race.