Trail Running calendar near Escondido 2026-2027

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.

Trails n Vines Wine Run takes runners through the scenic vineyards of Orfila Winery in Escondido. Choose from 3, 6, or 9-mile trail distances and enjoy wine tastings after the race. Participation is limited to 400 runners.

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.

Trail races of 50K, 25K and 5K at Crystal Cove State Park with ocean views and hill climbs, benefiting the John Wayne Cancer Foundation; packet pickup is May 7 and the event is May 9, 2026.

A two-day Spartan Trifecta Weekend at Big Bear Mountain Resort featuring Sprint, Super and Beast obstacle races at high altitude with long climbs and descents; kids races and spectator access are also available.

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.

Trail race at Corral Canyon Campground on 05/16/26 offering looped courses from a 5 mile scramble to a 50K across rocky single track, jeeping trails and sandy sections, with aid stations and camp access for drop bags.

A 10 km high altitude trail race at Snow Summit near Big Bear on May 17 2026. The route follows singletrack through pine forest with technical climbs and a three hour finish cutoff.

A multi-distance loop race on a flat, one-mile dirt and grass loop at a private ranch in Riverside. Options run from 3-hour events to a 100-mile race, with camping, relay teams, and event awards.

A 5k trail run at Black Star Canyon in Silverado, California, with mixed fire road and single track, 390 ft elevation gain, one aid station, a cupless policy, and pre-run access restricted to authorized days.

Free, social group run by Aravaipa at El Moro and Laguna Coast Wilderness Park in Newport Coast on May 30, 2026. The route is about 5.5 miles with roughly 500 feet of ascent, some rocky sections, and post-run snacks and a raffle.

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.

The inaugural Fullerton Fit 5K Trail Run offers a scenic dirt trail course through the Brea Dam area. The event also includes a Health & Wellness Fair with local vendors and food trucks. Registration includes a shirt, medal, and other race..

Orange Curtain Run in Orange County, California offers a range of distance and timed events from 10K to 100K on mixed pavement and bike path surfaces. The event is scheduled for June 19 and 20, 2026 and includes a certified marathon.

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.

Celebrate the legacy of Title IX in Yorba Linda. Run or walk a moderate 5K on the El Cajon Trail with the family, strollers, and dogs. After the race, visit the vendor fair and explore awards for various age groups.

A 5k trail run at Gypsum Canyon Wilderness on June 24, 2026 over fire roads and single track with about 350 ft of elevation gain. One aid station at mile 2.2 and a cupless race policy.

Into the Wild is a 5k trail run at Saddleback Wilderness on July 15, 2026, over fire roads and single track with 300 ft of elevation gain. Entry is limited to 150 runners and there is no race day registration.

Harding Hustle on July 18, 2026 in Silverado CA offers 50K, 30K and 15K trail races on the Harding Truck Trail through the Santa Ana Mountains, with substantial climbing, stocked aid stations and shuttle access for participants.