Nine Trails 35 Mile Endurance Run

The OC Trail Runners Group Run is a free, social trail running event held in Newport Coast, California. Taking place on May 3, 2025, the run is non-competitive and designed for runners of all levels to enjoy the outdoors and camaraderie. Participants will explore different routes each time, with the..

The Black Star Canyon 5k Trail Run is an exciting running event taking place in Silverado, California, on June 11, 2025. The race features a scenic 5k course that includes fire roads and single-track trails, with an elevation gain of 390 feet. Participants can expect one aid station providing water..

The Orange Curtain Endurance Run takes place in Cerritos, California, featuring distances of 100K, 50K, 30K, marathon, 24-hour, 12-hour, 10K, and 6-hour events. The course is a mostly flat 10 km out-and-back loop along the San Gabriel River bike path, combining asphalt and dirt surfaces, repeated mu..

The Whiting Ranch Trail Races, held in Trabuco Canyon, California, offer a scenic running experience through Whiting Ranch Wilderness Park in Orange County. Participants can choose from four distances: 6K, 10K, half marathon (13.2 miles), and 30K. The course features challenging climbs, expansive vi..

The Red Rock Wilderness Trail Run is a scenic 5k event taking place in the beautiful Red Rock Wilderness area, specifically at the Augustine Staging Area in Silverado, California. The course features a mix of fire roads and single track trails, with an elevation gain of 300 feet. Participants can ex..

The Harding Hustle is a challenging trail running event held in the scenic Cleveland National Forest and Santa Ana Mountains near Silverado, California. It offers three distances: 50K, 30K, and 15K, all primarily on the Harding Truck Trail, featuring steep climbs, exhilarating descents, and breathta..