Trail Running Calendar California 2025-2026

The Burney Mountain 100 is a scenic 100-mile endurance run held in Cassel, California, traversing Lassen National Forest and the Thousand Lakes Wilderness. Starting and finishing at Burney Mountain Guest Ranch, the looped course features a cumulative elevation gain and loss of 15,000 feet. Runners e..

Bizz Johnson's Southside Scramble is a trail running event held in Susanville, California, showcasing the scenic Susan River Canyon. The race offers three distances: the Dirty Devil's 22K, Tunnel's Blast 14K, and Hobo Special 7K, all starting and finishing at the Hobo Camp Day Use Area. The course f..

The Western States Endurance Run is the world’s oldest 100-mile trail race, starting in Olympic Valley, California, and finishing 100.2 miles later in Auburn, California. Established in 1974, the course traverses traditional lands of Indigenous Peoples and features over 18,000 feet of climbing and n..

The Signal Peak Trail Runs, held near Emigrant Gap, California, offer challenging trail races with distances of 50 kilometers and 24 miles. The event features an out-and-back course with a loop at the eastern end that includes summiting Signal Peak, providing stunning views of Bear Valley, Lake Spau..

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..