Mammoth Bar Trail Runs
Auburn, United States • 7 Sep 2025
The Mammoth Bar Trail Runs, hosted by Skybreaker Racing, is a new trail running event held in Auburn, California, within the Auburn State Recreation Area. Scheduled for September 7, 2025, the event offers three race distances: a half marathon, 10K, and 5K. The courses traverse the single-track and double-track trails of the Mammoth Bar OHV Area, known for its challenging steep climbs and descents, providing significant elevation gain ("mammoth vert"). Participants can enjoy stunning views of the American River Canyon while tackling these demanding trails. This event promises a rugged and scenic trail running experience in the "Endurance Capital" of Auburn. Visit the organization's website for the most recent information.