Trail Running calendar near Borrego Springs 2026-2027

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.

An uphill one mile race at Snow Summit in Big Bear Lake with a 1,000 foot climb starting at 7,000 feet. The 10th annual edition on August 15, 2026 supports Big Bear High School cross country.

Trail races in Pine Valley, California offering 50K and 15K courses through Noble Canyon and the Cleveland National Forest. Technical terrain includes rocky climbs, exposed ridgelines and canyon switchbacks with multiple aid stations and co..

An obstacle event at Bear Mountain on September 12, 2026 offering 5K and 10K courses, named obstacles, spectator and group options, finisher items, and volunteer and VIP experiences.

Experience rugged trail racing at Lake Elsinore Raceway with 5K and 10K obstacle courses. This event weekend features mud and open terrain alongside endurance challenges and dedicated races for kids.

A San Marcos trail event with a 10K, 5K and Kids Trail Trot that climbs to Double Peak’s summit at 1,558 feet; bibs, wooden medals and shirts are listed as finisher items, and registration closes Wed, Sep 23 at 12:00 PM PT.

Experience a 100 kilometer trail run through the diverse landscapes of Cuyamaca Rancho and Anza Borrego Desert State Parks. This scenic endurance race traverses pine forests and oak woodlands just east of San Diego.

A two-day trail running festival in Big Bear Lake, California offering five distances from 10.5 km to 162 km. Courses cross high desert, sub alpine and semi-arid terrain and carry UTMB World Series Americas Major status with qualification p..

A multi distance event on the Cahuilla Indian Reservation in Anza, California. It uses a runnable 2 mile loop for fixed time races and a 100 mile event, with camping, limited RV spots and a real food aid station, fundraising for tribal yout..

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 in Julian, California featuring 50K, marathon and half marathon courses that climb Cuyamaca Peak on mostly single track trails with significant elevation change and mountain views.

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.

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.

Run an 8-hour loop course on a scenic 3.7-mile trail in Wildwood Canyon State Park. The event features an aid station, vendors, and live music. An after-party follows at a local brewery.

Machete Muertos 200 is a multi-distance trail event at Lake Perris, CA from October 28 to November 1, 2026. The 200 mile race includes over 44,000 feet of elevation and a 96 hour cutoff; camping and cash prizes are provided.

Run through the Pine Creek Wilderness on a wide dirt fire road in Alpine. This out and back course offers both a 10k and a half marathon distance with a steady climb and a fast downhill return.

Six hour timed loop race around a 5 mile lake course in San Diego with chip timing, four aid stations, on-course restrooms, and finisher awards. The field is limited to 75 entrants and the event is USATF sanctioned.

Experience a fixed time trail challenge at O'Neill Regional Park. Run as many 2.75 mile loops as possible through scenic canyons during an 8 hour, 6 hour, or 3 hour session.