OC Trail Runners Group Run

The Black Star Canyon 5k Trail Run takes place at Black Star Canyon in Silverado, California. The 3.3-mile course features a mix of fire roads and single-track trails with an elevation gain of 390 feet, offering a moderately challenging run through scenic terrain. The race starts and finishes at the..

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 Into the Wild OC Trail Run takes place at Fremont Canyon via Irvine Regional Park in Orange, California. The event features a challenging 17-mile (27k) single-loop course primarily on fire roads, with an elevation gain and loss of 3,820 feet. Runners have the option to complete a shorter out-and..

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 5K (3.4 miles) race held at the Red Rock Wilderness in Silverado, California, starting and finishing at the Limestone Canyon/Augustine Staging area. The course features a mix of fire roads and single-track trails with an elevation gain of 300 feet, offering a m..

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..