OC Trail Runners Group Run

The Nine Trails 35 Mile Endurance Run is a challenging trail running event held in Santa Barbara, California. This endurance run features a demanding course that includes over 10,000 feet of elevation gain and descent, making it comparable to a tough 50-mile race. Participants will navigate steep, r..

The Rock It in El Moro Canyon 6K & 10 Miler, presented by Fitness on Fire, is an exciting trail running event set in the scenic El Moro Canyon, Laguna Beach, CA. Participants can choose between a 6K or a 10-mile course, featuring challenging climbs and breathtaking views of the Pacific Ocean. The ev..

The Billy Goat Half Marathon Climb, along with a 10K event, is set to take place in the Cleveland National Forest, Temescal Valley, CA. This challenging race features a significant elevation gain of 2,500-2,800 feet for the half marathon, making it a true test of endurance for participants. The cour..

The Saddleback Marathon, scheduled for April 26, 2025, is a premier trail running event held in Black Star Canyon, Silverado, California. This annual marathon, which began in 1988, features a challenging course with significant elevation gain, including a full marathon, half marathon, and 10K option..

The Run4Kids Ultra Running Party is an exciting running event taking place in Corona, California, featuring a variety of challenges for participants. Scheduled for May 2-3, 2025, the event includes multiple race options such as 6-hour, 12-hour, 24-hour, marathon, 50-mile, and 100-mile distances. Thi..

The Billy Goat's Half Marathon Climb is set to take place on May 10, 2025, in Temescal Valley, California, within the Cleveland National Forest. This challenging race features a half marathon and a 10K, both of which include significant elevation gains. Due to wildlife protection measures, the cours..