Trail Running calendar near Descanso 2026-2027
We have found 47 Trailruns within 80 miles of Descanso. See below where and when you can find the races.
We have found 47 Trailruns within 80 miles of Descanso. See below where and when you can find the races.
A 100 mile loop ultramarathon around Lake Cuyamaca with mostly single track, about 15,400 feet of climbing and a 32 hour limit. Offers crewed and Solo divisions and requires recent race qualification plus volunteer or donation service.
Experience a fun mud filled course at Bates Nut Farm featuring waist deep mud pits and a dozen unique obstacles. This untimed event is perfect for those looking to run crawl and slide through the mud followed by a post race party.
A memorial marathon in San Diego on May 3, 2026. The event is not a race and offers no official support; participants navigate and support themselves and may register to record a result.
O'Neill Park Trail Races take place May 16, 2026 in O'Neill Regional Park, using trails in Trabuco and Live Oak Canyons. The route passes coast live oak and sycamore stands and chaparral hillsides; parking requires a five dollar fee.
A 50 mile out and back on the Pacific Crest Trail in Cleveland National Forest on June 6, 2026. The route gains about 7,500 feet between 3,000 and 6,000 feet and includes multiple staffed aid stations and specified crew access rules.
A trail race at Black Mountain in San Diego with 50K, 25K and a half marathon on June 20, 2026. The event follows Trail Sisters guidelines and features aid stations staffed by ham radio experts.
A 24 hour endurance event at Montgomery Waller Community Park in San Diego on July 24, 2026. Runners loop a 1.22 mile course over trail, grass and bike path with formats from 6 hour to a HEFFTY Half Marathon and a $1500 purse prize.
Experience trail running in Orange County with several race distances ranging from a 5k to a 6 hour timed challenge. Navigate a scenic 3.3 mile looped course with multiple early bib pickup options available.
A Spartan obstacle weekend at Lake Elsinore Raceway features Sprint 5K, Super 10K, kids races, and multi-hour Hurricane Heat events on rugged, open terrain near a large natural freshwater lake.
An ultramarathon in Cuyamaca Rancho State Park near Julian, CA featuring three distinct loops over varied terrain. The course reaches Cuyamaca Peak near 6500 feet and includes a stretch along the Pacific Crest Trail.
The Peak offers 50K, marathon and half marathon courses that climb Cuyamaca Peak via single-track trails, with aid stations at Sweetwater and Cuyamaca Peak and GPS course files provided. Registration opens April 1, 2026.
A revived 200 mile endurance run based in Escondido, California, that circumnavigates San Diego County over varied terrain. Field limited to 24 experienced ultrarunners; crews are required and profits go to a Native American charity.