Trail Running calendar near Borrego Springs 2025-2026

The Peak is a challenging trail running event held near Julian, California, featuring 50K, marathon, and half marathon distances. The course primarily follows single-track trails with stunning mountain views, including a climb up Cuyamaca Peak, the second highest point in San Diego County. Runners f..

Elder Creek Night Runs is a unique nighttime trail running event held near Anza, California, on the scenic lands of the Cahuilla Band of Indians. The race features distances of 9 miles, 13 miles (half marathon), 30K, and 50K, all run on a 4.6-mile loop combining single track trails and open dirt roa..

The Green Valley Lake Half Marathon, held in the San Bernardino Mountains between Running Springs and Big Bear, offers a scenic and challenging mountain race experience. The course begins with a flat 3/4 mile loop along the lake, then ascends gradually with a 400-foot climb to a rewarding overlook...

The Riley Park Trail Races, held in Thomas F. Riley Wilderness Park in Orange County, California, offer a variety of distances including a 30k, half marathon, 10 miler, 10k, 5k, and a unique 6-hour race. This family-friendly event features scenic single and double track trails, providing a fun and c..

South Bay 24 is an endurance running event held at Montgomery Waller Community Park in San Diego, featuring a 1.25-mile loop course that includes trail, grass, and bike path surfaces. The event offers multiple race options: a 24-hour race, 12-hour day and night races, a 6-hour race, and a half marat..

The Noble Canyon 50K and 15K is an annual trail running event held in the scenic mountains of east San Diego, California, specifically in Pine Valley. The races take place on runnable single-track trails within National Forest land, offering participants stunning views and challenging terrain. The e..

The Double Peak Challenge is an annual outdoor running event held in San Marcos, California, featuring a challenging 10K race, a 5K fun run, and a Kids Trail Trot. The 10K course is known for its demanding elevation gain of 1,176 feet, culminating at Double Peak's summit at 1,558 feet, offering spec..

J Treequinox is a 12-hour ultra running event held on a private 20+ acre desert property near downtown Joshua Tree, California. The race features a 1-mile loop course, allowing participants to run at their own pace, one lap at a time. It offers a low-key atmosphere ideal for those new to ultra runni..

The Cuyamaca 100K is an ultramarathon held in Cuyamaca Rancho State Park near Julian, California, about an hour east of San Diego. The race features a challenging course composed of three distinct loops starting and ending at Camp Cuyamaca. The first loop covers 31.5 miles on the park's western side..

The HOKA Kodiak Ultra Marathons by UTMB is a challenging alpine trail running event held in Big Bear Lake, California, a rustic mountain town near Los Angeles. The race spans two days with five distances ranging from 10.4 km to 159.3 km, featuring significant elevation gains up to 4100 meters. Runne..

The Carmel Valley Trail Race, held annually at Gonzales Canyon Open Space in San Diego, offers a scenic and challenging trail running experience. Starting and finishing at Solana Ranch Park, the race features flat sections at the beginning and end, with elevation gains concentrated in the middle, in..

Live Oak Odyssey is a fixed-time trail running event held at O'Neill Regional Park in Trabuco Canyon, California. Participants choose between 3-hour and 6-hour race options, running loops of a 2.75-mile course featuring approximately 500 feet of vertical gain per loop. The scenic course winds throug..

The Cahuilla Rez Ultra is a unique running event held on the Cahuilla Indian Reservation in Anza, California. It offers multiple race distances including a 100-mile ultra, 24-hour, 12-hour, 6-hour, and a half marathon. The course features a 2-mile loop on double track dirt roads with moderate elevat..

The Encinitas Beach Run is a unique running event held at Moonlight Beach in Encinitas, California. Participants run on the sand at low tide along a scenic coastal course between Moonlight Beach and Grandview. The event offers 5k and 10k distances with turnaround options, plus a kids' 1k race for ch..

Caspers Trail Races, held in San Juan Capistrano, California, offer a variety of distances including 10K, 13.2 miles (half marathon), 30K, marathon, and 50K. The event features well-supported and clearly marked trail courses, ensuring a safe and enjoyable experience for participants. Runners can exp..

Machete Muertos 200 is an ultramarathon event held at Lake Perris, California, featuring multiple race distances including 10, 20 (Ruck Division), 50, 100, and 200 miles. The course consists of challenging loops with significant elevation gains—2,300 feet per lap for the 10 and 50 milers, and 4,500..

The Roosters Backyard Ultra will take place in San Diego on Saturday 1 November 2025.

The Wildwood Canyon Trail Run takes place in Wildwood Canyon State Park, Yucaipa, California, featuring a scenic 3.6-mile loop course with nearly 600 feet of vertical gain per loop. Participants have 8 hours to complete as many loops as possible, showcasing the park's rugged canyons, meadows, and oa..

The Sri Chinmoy 6-Hour Race in San Diego is a timed endurance event held at Lake Miramar, featuring a scenic 5-mile asphalt loop around the urban lake. The mostly flat course includes gentle hills and is run clockwise, with separate lanes for pedestrians and bicycles. Participants can enjoy four aid..

The RD Trail Half Marathon will take place in Tijuana on Sunday 16 November 2025. You can run between 10 and 21 kilometers.