Trail Running calendar near Big Bear Lake 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..

The Griffith Park Trail Marathon is a scenic trail running event held in Griffith Park, Los Angeles, starting at the Merry-Go-Round Lot 1. The marathon features an out-and-back course that includes a mix of beautiful single-track trails and double-track fire roads, with a highlight being the summit..

The 4 Mile Hill Challenge is an exciting running event scheduled for November 15, 2025, at the Audubon Center at Debs Park in Los Angeles, CA. This event features a scenic 4-mile course that includes rolling hills and all-trail paths, making it suitable for participants of all skill levels, from beg..

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 Dixon Lake Trail Race, held annually at Daley Ranch in Escondido, California, offers runners scenic trail runs with distances of 10 miles, 10K, and 5K. Starting at El Caballo Park, the 10-mile course ascends to Stanley Peak, providing a stunning 360-degree panoramic view. Elevation gains range f..

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 Del Dios Trail Race, known as the "Race of the Gods," is an annual trail running event held at scenic Lake Hodges in Escondido, California. The 11th edition features multiple race distances including a 50K, half marathon, 10K, and 5K, all set on dirt service roads and single-track trails. Elevat..

The San Diego 50 Mile & Trail Marathons is a diverse running event taking place in Escondido, California, featuring multiple race options including a 50-mile ultra marathon, trail marathon, marathon relay, heavy half marathon, and various shorter distances for all ages. The event emphasizes inclusiv..

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 San Pasqual Valley Trail Race, held in Escondido, California, offers a scenic running experience through San Diego's wine country. Participants can choose from three distances: a relatively flat 10K, a Half Marathon, and a challenging 20-mile course. The longer distances feature an out-and-back..

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..