Trail Running calendar near Borrego Springs 2026-2027

Experience a fast and flat trail race at the 10th Annual Coast to Crest 10K and 5K in Del Mar. Enjoy wide open lagoon views and a downhill finish on a well groomed dirt course.

Experience a historic trail run or gravel bike race around Diamond Valley Lake. Choose from marathon to 5k distances on trails once home to Ice Age mastodons at this family friendly cupless event.

The Oriflamme 50k is an April trail run on a scenic 31.4-mile out-and-back course. It features a 2,000-foot descent into the desert and a challenging climb back up, with aid stations and a 9-hour limit. Participants receive a technical shir..

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.

Machete Trail Madness features 10K, 50K, and 100K races on looped courses around Lake Perris. The event includes free lakeside camping for participants and their families. It offers long cut-off times and a community-focused, multi-lap race..

Event Overview The San Diego 100 is a 100-mile ultramarathon scheduled for May 1-2, 2026. The event features two divisions: a standard 100-mile race and a Solo Division for runners competing without crew or pacer support. Solo runners recei..

The Dingneng Wang is a memorial marathon in San Diego, honoring a beloved friend. It is not a race, offering no support or timing, but participants can run the course at their own pace. A free registration is available for those who want to..

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.

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..

The O'Neill Park Trail Races offer a range of distances on the trails in South Orange County. Join the event in Trabuco Canyon on May 16, 2026.

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.

Nanny Goat is a family-friendly timed run on a flat, one-mile loop at a private horse ranch in Riverside. Choose from solo 3 to 24 hour races, a 100 miler, or a 24 hour relay. The event offers free camping, swimming, and a medal for every p..

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..

The 30th annual Holcomb Valley Trail Run returns to Big Bear Lake in June 2026. The weekend features a multi-day stage race and single-day distances from 5 to 33 miles on mountain trails. Registration opens in January with early bird pricin..

Race through the historic landscape of Black Mountain, an ancient volcano in San Diego. The event offers 50K, 25K, and half marathon distances on technical single-track and jeep trails featuring significant elevation gain.