Trail Running calendar near Trabuco Canyon 2026-2027

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.

Mountain trail event on October 17, 2026 offering 50K, marathon, and half marathon options that climb to Cuyamaca Peak on single track trails, with substantial elevation change and GPX course files available.

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 revived 200 mile endurance run around San Diego County featuring coastal, urban, mountain, and desert terrain. Field is limited to 24 experienced ultrarunners who have 82 hours to complete the course and must use a crew.

A trail race weekend at Los Coyotes Reservation featuring Single Loop, 6H Ultra and 24H Ultra options across desert and alpine trails. Ragnar Village provides camping, bonfires, food trucks and evening activities.

A team trail relay at Los Coyotes Reservation on October 23 and 24, 2026 featuring desert and mountain single track, a 112.8 mile course shared across teams, and on site camping plus glamping at Ragnar Village.

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.

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.

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.

A six-hour timed running and walking event at Lake Miramar on a paved 5-mile loop with chip timing, four aid stations, gear support and medals for all finishers, plus awards in several age divisions.

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.

Roosters Backyard Ultra is a backyard-format race at Rohr Park in Chula Vista on Nov 14, 2026, featuring a smooth, firm trail with one gentle hill; dogs are permitted and car camping is available.

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.

An obstacle and mud focused 5K at Oak Canyon Park on November 21, 2026 featuring mud pits, walls, ropes and monkey bars, plus a finish line festival. Registration includes value and VIP package options.