Trail Running calendar near Borrego Springs 2026-2027

A two day trail and gravel event at Diamond Valley Lake near Hemet offering distances from a 1 mile kids run to a 26.2 mile trail marathon, plus stroller, youth and multi lap gravel rides around the lake.

A 50K out and back trail run near Julian, CA in Anza Borrego Desert State Park. The route follows the Pacific Crest Trail, drops more than 2,000 feet into Box Canyon and returns via a more than five mile climb with a nine hour limit.

Experience an 81 mile team ultra run from the desert floor to Palomar Mountain. Run together in teams of two or three through extreme elevation changes and diverse California terrain within a 28 hour limit.

Experience an all terrain 5K trail race at BackCountry Gardens featuring hills, streams, and mud. Enjoy a competitive or fun run followed by a beer mile and wine tasting at San Diego’s only certified sustainable winery.

Trail races on the Soboba Indian Reservation support Noli Indian School. Choose from marathon, half marathon, 5k, or a kids' 3k walk/run. The event features Native and Open divisions, with proceeds funding a student scholarship.

Experience an obstacle course challenge at the Pala Fox Raceway featuring 5K and 10K distances. Navigate mud pits and motocross tracks in the scenic Pala Valley with options for adults, teams, and children.

A looped trail event at Lake Perris on April 25, 2026, offering 10K, 50K and 100K distances with lap-based aid, cut-off times, permitted pacers for the 100K, and included group tent camping and event amenities.

A 100 mile loop through San Diego's east county mountains around Lake Cuyamaca with mostly single track trails, about 15,400 feet of ascent and a 32 hour limit. Solo and crewed divisions are offered with volunteer requirements.

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 non competitive memorial marathon in San Diego on May 3, 2026, starting and finishing at Canyonside Park Driveway. The event is self supported with no course marking or aid stations; a clockwise GPX route and a seven hour cutoff are provi..

Experience high altitude obstacle racing at Big Bear Mountain Resort featuring steep climbs and over 1200 feet of descent. Conquer the Sprint, Super, or Beast distances to earn your Trifecta qualification in the San Bernardino National Fore..

Trail races at O'Neill Park in Trabuco Canyon offer five distances from 10k to 50k. Registration closes May 1 and entries are non refundable but may be rolled over if cancellation is due to weather or fire.

Experience a technical trail event in the Cleveland National Forest featuring rocky scrambles and OHV trails. Choose from four distances ranging from a 5 miler to a 50 km ultra through diverse California terrain.

Experience high altitude trail running at Big Bear Mountain Resort with a scenic 10k course. Run through pine forests and technical singletrack while enjoying expansive views of the Southern Sierra.

A multi-distance ultrarun at a private ranch in Riverside on May 23 to 24, 2026, offering 3, 6, 12, 24 hour, 24 hour relay and 100 mile options. Flat 1 mile dirt and grass loop with free camping and on course support.

Event Overview The Pacific Crest Trail 50 is a 50 mile ultramarathon. The 2026 edition is scheduled for June 6th. It takes place in the Cleveland National Forest in east San Diego County, California. This is the event's 44th year. Course De..

A Big Bear Lake trail weekend combining the 30 year Holcomb Valley Trail Run with a three day TransRockies stage race. Multiple single day distances and a vertical stage feature significant mountain elevation gain.

Trail races at Black Mountain in San Diego offer 50K, 25K and half marathon routes across technical single track and jeep trails, with substantial elevation gain and varied wildlife and vegetation.

South Bay 24 is a timed endurance challenge on a flat 1.22-mile loop in San Diego. Runners choose from 24, 12, or 6-hour events, aiming for personal records or the 100-mile buckle. The event includes a campsite, meals, and a special prize f..