Trail Running calendar near San Jacinto 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, 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 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, a 25K with 3,500 feet of elevation gain and a 50K with 7,000 feet, the race starts and finishes at the historic Mt...

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..

Rock It in Chino Hills is a trail running and hiking event held at Chino Hills State Park in Brea, California. Participants can choose between a 5K or 10K course, both offering scenic views and tranquil natural surroundings with trails extending across the expansive park. The event emphasizes the be..

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, hosted by Pasadena Running Company, takes place at Hahamongna Watershed Park in Pasadena, California. This event offers three distance options: 5K, 10K, and a challenging half marathon. The half marathon course spans 13.1 miles with an elevation gain of 1,855 feet,..

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 Griffith Park Trail Marathon is a scenic trail running event held annually in Los Angeles, California, within the iconic Griffith Park. The race features multiple distances including a marathon, 50K, 30K, half marathon, and 10K, all showcasing a mix of beautiful single-track trails and double-tr..

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 4 Mile Hill Challenge is a scenic and challenging running event held at the Audubon Center at Debs Park in Los Angeles, CA. This trail run features rolling hills within a historic park, starting and finishing at the nature center. The course includes hydration stops and is suitable for all level..

The Chino Hills Trail Run Series, held in Brea, California, offers trail running enthusiasts a range of distances including 10K, 10-mile, 15-mile, 20-mile, half-marathon, 30K, and a challenging 50K ultramarathon. Set within one of Orange County's premier natural open-space parks, the event features..

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 Black Mountain Turkey Burner Trail Race, held annually at Black Mountain Community Park in San Diego, California, is known as the most technical trail race in the Endurance Race Series' Sunshine Series. The event features a challenging half marathon with significant hill climbs on technical trai..