Trail Running calendar near Borrego Springs 2026-2027

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..

Experience a unique desert night run under the Full Buck Moon on a scenic looped course. Choose between distances ranging from 9 miles to a 50k ultramarathon through manzanita groves and single track trails.

Experience a scenic mountain race through the pine forests of the San Bernardino National Forest. Run alongside the lake and onto forest trails with distances including a 5k, 10k, and Half Marathon.

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.

Conquer a steep 1000 foot climb at Snow Summit during this unique one mile mountain race. Enjoy high altitude views at 7000 feet elevation and a free chairlift ride back to the base.

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..

Take on the rugged mountain challenge at Tough Mudder Big Bear. This obstacle course event features 5K and 10K distances with iconic obstacles like The Block Ness Monster. Participants earn a finisher medal, shirt, headband, and a celebrato..

This 21 mile trail run near Yucaipa is postponed from September 2026. The challenging course features over 4,300 feet of climbing on Crafton Hills terrain, with aid station support.

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.

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.

The Cuyamaca 100K traverses the scenic trails of Cuyamaca Rancho State Park east of San Diego. The three-loop course takes runners to Cuyamaca Peak and along the PCT. This event is a qualifier for the Western States 100.

Experience an alpine trail race in Big Bear Lake featuring five distances through diverse mountain climates. This UTMB World Series Major offers double Running Stones and qualifying opportunities for iconic endurance races.

Run on the Cahuilla Indian Reservation in Anza, California, in support of tribal youth programs. Choose from ultra distances on a 2-mile loop or a half marathon tour of reservation roads. The event offers camping, real food aid, and a focus..

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.

The Peak trail run in Julian, California, challenges runners with its 50K, Marathon, and Half Marathon courses. The routes climb Cuyamaca Peak on single-track trails, featuring significant elevation changes and mountain views. It is designe..

The San Diego 200 is a demanding 200-mile ultramarathon that loops around San Diego County, featuring diverse terrain from coast to desert. With an 82-hour cutoff, it requires a crew and is designed for seasoned ultrarunners. Profits from t..

Test your limits at the Los Coyotes Reservation with single loop or ultra timed trail races. Run through alpine forests and desert landscapes before enjoying camping, bonfires, and yoga at the Ragnar Village festival site.

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 The Machete Muertos 200 is an ultramarathon event held at Lake Perris in Perris, California, from October 28 to November 1, 2026. It is associated with a Dia de Los Muertos (Day of the Dead) celebration. The event offers..