Trail Running calendar near Green Valley Lake 2025-2026

ANNUAL NATRO@NOLI INDIAN SCHOOL is a multi-distance trail race on the Soboba Indian Reservation near San Jacinto, California. The event offers Marathon, Half Marathon, 5k, and Kids 3k in Native and Open divisions, with awards for top finishers. The course features hills, sand, rock, single-track, st..

Badwater Salton Sea, presented by Mount to Coast, is an 81-mile team ultramarathon in Southern California, from Salton City (about 234 feet below sea level) to Palomar Mountain (about 5,500 feet). The course blends road and single-track trail—eight miles pass through Anza-Borrego State Park—with a t..

O'Neill Park Trail Races is a multi-distance trail running event held in O'Neill Regional Park, near Trabuco Canyon, California. The race offers 50k, Marathon, 30k, Half Marathon, and 10k courses, described as spectacularly beautiful and a gem of South Orange County. Participants can pre-pick bibs a..

The Gorgonio View Trail Run takes place at Big Bear Mountain Resort in Big Bear Lake, California, a renowned mountain training ground in Southern California. The event features a scenic 10K trail race through picturesque high-altitude pine forests, with smooth singletrack trails alongside challengin..

The Nanny Goat race, held at a private horse ranch in Riverside, California, offers a unique ultrarunning experience over Memorial Day weekend. Participants can choose from distances of 6, 12, 24 hours, a 100-mile solo race, or a 24-hour relay for teams up to four runners. The course is a flat, one-..

Pacifico Ultra is a scenic, fully-supported trail event in Palmdale, California, set in the Angeles National Forest. It offers two distances: a 50k Ultra (31.4 miles with 5,597 feet of vertical gain) and a Trail Half Marathon (13 miles with 2,510 feet of gain). The course travels Pacifico Mountain R..

Phoenix Rising at Griffith Park in Los Angeles offers four race distances on a dirt-trail open course: 5k, 10k, 15k, and a half marathon. The course is a shared dirt trail with pedestrians and equestrians; runners are asked to keep to the right and pass on the left. Distances are: 5k out-and-back; 1..

Hot to Trot in Los Angeles is hosted at Griffith Park’s Crystal Springs Picnic Area. The event offers 5k, 10k, 15k, and a half marathon. The course is an open dirt-trail loop system: 5k out-and-back; 10k and 15k are multi-loop formats; the half marathon uses three 4.36-mile loops.Runners share the t..

Elder Creek Night Runs takes place in Anza, California, on land belonging to the Cahuilla Band of Indians. The centerpiece is a 4.6-mile loop of single-track trails and wide dirt roads through manzanita and rock formations, with views of Cahuilla Mountain. Runners choose from four distances: 9 miles..

Angeles Crest 100 Mile Endurance Run, held since 1986, is a 100-mile point-to-point trail race from Wrightwood to Altadena in the San Gabriel Mountains north of Los Angeles. Runners tackle steep climbs and rocky terrain along a course ranging from 1,135 to 9,300 feet, preserving much of the original..

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