Trail Running calendar near Descanso 2026-2027

Choose your challenge at the Pirate's Cove timed endurance run, set on a scenic 2-mile loop around Lake Cuyamaca in the mountains. The event offers 6-hour, 12-hour, and 24-hour distances starting at 8 a.m., with on-site dining and supplies..

Test your endurance at Monserate Mt. Preserve with 6 and 12 hour trail running options. Complete as many loops as possible solo or as a team while enjoying local trails and a fully stocked aid station.

The Coast to Crest offers a flat and fast 10K and 5K on hard-packed trails in Del Mar. Runners enjoy spectacular lagoon views and a downhill finish. It's the final championship qualifier for the series.

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.

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.

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.

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..

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.

Run under a full moon in the Anza desert. The event features four distances on a scenic 4.6-mile looped trail course. Participation is capped at 200 runners.

Explore the trails at the Riley Park Trail Races in Orange County's Thomas F. Riley Wilderness Park. With distances from a 5k to a 30k and a 6-hour event, there's a trail run for various goals. All finishers receive a shirt and a medal.

Course Overview The Noble Canyon 50K & 15K are trail races set in the Cleveland National Forest in eastern San Diego County, California. The event is described as a Southern California trail classic offering a high-desert adventure thro..

The 11th annual Double Peak Challenge features a 10K and 5K run from San Elijo Park up to the panoramic summit of Double Peak. A Kids Trail Trot offers a sprint for younger participants. All finishers receive a medal.