Trail Running calendar near Big Bear 2025-2026

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, making it accessible for runners new to ultra distances who can take the challenge one lap at a time. Participants enjoy a well-stoc..

The Angeles National Forest Trail Race, celebrating its 20th anniversary, takes place in the scenic San Gabriel Mountains at Mt. Wilson, California. Offering two challenging distances, the 25K features 3,500 feet of elevation gain, while the 50K includes 7,000 feet, both starting and finishing at th..

The HOKA Kodiak Ultra Marathons by UTMB take place in Big Bear Lake, California, a rustic mountain town near Los Angeles. This two-day festival features five race distances ranging from 10.4 km to 159.3 km, including 10K, 21K, 50K, 100K, and 100M events. Runners experience diverse landscapes and cli..

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 Pasadena Trail Half Marathon is a premier running event hosted by Pasadena Running Company, featuring challenging routes that highlight the scenic trails of Pasadena. Scheduled for October 19, 2025, this event offers three distance options: a Half Marathon, 10K, and 5K, catering to runners of al..

Caspers Trail Races, held in San Juan Capistrano, California, offer a variety of distances including 10K, 13.2 miles, 30K, marathon, and 50K. This Orange County event features well-marked and well-supported trail courses, promising a great running experience. Participants can expect quality race swa..

Machete Trail Madness 200 is an ultramarathon event held at Lake Perris, California, featuring challenging distances of 100 miles, 50 miles, and 10 miles. The course consists of a tough 10-mile loop with 2,300 feet of elevation gain per lap, offering scenic views of the lake and surrounding mountain..

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..

Boundiful Endurance Runs take place at Washburn Ranch in Hemet, California, featuring a one-mile loop on a 100% hardpacked dirt surface through a Southern California fruit and nut farm. The event offers multiple distances including 3, 6, 12, and 24-hour runs, a 100-mile solo challenge, and relay opt..

The Fremont Canyon 28k Trail Run is an exciting running event taking place in Irvine Regional Park, Orange, California. Scheduled for December 6, 2025, this challenging 28k (17.5 miles) course features fire roads with an elevation gain and loss of 2860 feet, making it suitable for experienced runner..

The Keepin' It Rural will take place in San Marcos on Sunday 7 December 2025. You can run between 5 and 10 kilometers.

The Crystal Cove Trail Run, held at Crystal Cove State Park in Laguna Beach, California, offers a scenic and challenging trail running experience just minutes from the beach. The event features three distances: a 15k, a 6k, and a Kids 1k race. Both the 15k and 6k courses include fire road climbs, ri..

The Ranch 50K is a trail running event held at Daley Ranch in Escondido, California, featuring a challenging course with significant elevation gain. The 50K race consists of two loops of a 15.6-mile trail, totaling 31.1 miles with 6,318 feet (1,926 meters) of climbing. A half marathon option covers..

The Nine Trails 35 Mile Endurance Run is a trail running event held in Santa Barbara, California. It offers two distance options: a challenging 35-mile course and a shorter 17-mile route. The race takes place on scenic trails that showcase the natural beauty of the Santa Barbara area, providing runn..

The Billy Goat Mountain Climb is a challenging trail running event held in Silverado, California, within the scenic Cleveland National Forest. It offers three race distances: a 17-mile run, a half marathon, and a 10K, catering to various levels of trail runners. The course features rugged mountain t..

Badwater Salton Sea is a challenging team ultra running event held in Southern California, covering 81 miles (130 km) from Salton City, below sea level, to Palomar Mountain at 5,500 feet elevation. The course traverses desert and mountain terrain, including eight miles of steep single-track trail th..

The Gorgonio View Trail Run takes place at Big Bear Mountain Resort's Snow Summit in Big Bear Lake, California. This scenic 10K trail race offers runners the chance to explore picturesque singletrack trails winding through high-altitude pine forests. The course features a mix of smooth paths and cha..

The Nanny Goat race, hosted at a private horse ranch in Riverside, California, offers a unique ultrarunning experience featuring distances of 6, 12, 24 hours, a 100-mile solo race, and a 24-hour relay for teams up to four runners. The course is a flat, one-mile loop on mostly dirt and grass with goo..

The Saddleback Marathon, held in Silverado, California, is a premier trail running event set in the scenic Saddleback Mountains within the Cleveland National Forest. Offering marathon, half marathon, and 10K distances, the race features challenging courses with significant elevation gains—4,244 feet..