Trail Running calendar near Rancho Santa Margarita 2026-2027

No Name Trail Races in Agoura, CA on October 24, 2026 feature trail courses through Chesebro Canyon, including a 50K, a 14.1-mile half-marathon, and a 3.6-mile 5k, with aid stations, finisher medals and post-race refreshments.

A multi-distance trail event at Lake Perris featuring a 200 mile race with over 44,000 feet of elevation gain, looped courses, on-course aid stations, group camping, and cash prizes for top 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.

A Halloween trail event at Crystal Cove State Park offering 6 hour and 4 hour timed options, organized by Sunshine Trail Racing. Registration is on UltraSignup and closes October 28.

Trail running in the Pine Creek Wilderness on a wide dirt fire road with an out and back layout. The course climbs to a turnaround and returns downhill, with a 10 km option and parking at Horsethief Canyon Trailhead.

Trail marathon and shorter distances on November 7, 2026 in Silverado, CA, routed out of Black Star Canyon after campground closures. Courses follow Black Star Canyon into Mariposa Reserve with substantial elevation gain.

A six hour timed running and walking event around Lake Miramar on a paved 5 mile loop with chip timing, four aid stations, permanent quarter mile markers, participant awards and a postrace lunch.

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.

A trail event in Yucaipa, California on November 14, 2026 offering 21, 10 and 4 mile routes through the Crafton Hills, with notable elevation gain and 10 percent of fees donated to local conservation.

Roosters Backyard Ultra returns to Rohr Park in Chula Vista on November 14, 2026. The backyard ultra uses repeated laps on a smooth firm trail with a gentle hill, allows dogs and offers car camping with pop up tents on the fields.

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.

A long distance trail event in Malibu covering about 70 miles with roughly 13,000 feet of elevation gain and a 36 hour time window, with a required dry pack weight of 25 pounds and both paid and volunteer ticket options.

Terrain Race Irvine on November 21, 2026 is a mud and obstacle 5K at Oak Canyon Park featuring mud pits, walls, ropes and monkey bars, plus pre-race and finish-line festivals with food, music and finisher medals.

Trail races in Griffith Park Los Angeles on November 21, 2026 with multiple distances from 10 K to 50 K. Organized by Keira Henninger Events and open for registration from July 1, 2026.

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.

Trail races in the Santa Monica Mountains near Reseda include a half marathon, 10k and 5k Fun Run and Hike with fire road and singletrack terrain, finisher medals, race shirts and post-race food and beer.

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.

A dirt-trail event at Black Mountain Ranch Park on November 28, 2026, offering Half Marathon, 10K and 5K courses with significant climbing. Field limited to 300 runners; terrain includes service roads and single-track.

One mile loop ultra on hardpacked dirt with timed 3, 6, 12 and 24 hour options plus relay teams. Live chip timing, free on course camping, continuous food service, and a 31 hour buckle challenge to reach 100 miles.