Trail Running calendar near Barstow 2026-2027

Run with or without a donkey in this unique trail race supporting donkey rescue. Choose from four distances on a scenic course near Inyokern. It's a full fundraising event with team competitions available.

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.

The Run4Kids Ultra Running Party features a wide range of distances and timed events, from a half marathon to a 24-hour ultra. The event raises funds for youth running programs. It takes place in Corona, California.

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..

Test your speed and navigation skills in this unsanctioned 4+ mile race through Chino Hills. Navigate four checkpoints across gravel and trail terrain to compete for cash prizes in a format where you choose your own route.

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..

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..

Experience one of California oldest trail races in Sierra Madre. Run the historic 8.6 mile course with 2160 feet of elevation gain or participate in dedicated kids fun runs through the community.

Experience the natural beauty of the Angeles National Forest at the Pacifico Ultra. Runners can choose between 50k and 21k distances on mountain trails this May.

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..

Experience a weekend of community and trail running in the Angeles National Forest. Challenge yourself to complete multiple laps of a scenic 4.16 mile loop over six hours while enjoying a supported camping experience.

Experience a high altitude mountain run on the slopes of Mt. Baldy Resort. This 5k course features a 1500 foot climb through scenic trails ending with a sunset celebration and BBQ dinner at the Top of the Notch.

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.

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.

Experience an intense trail race through the Angeles National Forest to the summit of Mt Baldy. This historic mountain run climbs over 4000 feet to reach a finish line at an altitude of 10064 feet.

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.

Traverse technical single track through the Angeles National Forest on this historic mountain race. Choose between 25K and 50K distances starting from the iconic summit of Mount Wilson.