Mammoth Trailfest Presented by Craft @ Mammoth Mountain

Mammoth Trailfest, presented by Craft, is a multi-day trail running festival held September 24–27, 2026, at Mammoth Mountain. The event features a community-focused weekend of racing across the top of California, with distance options including a 50K, 26K, 10K, Dragon’s Back Ascent, and a Kid’s 1K. Runners of all experience levels and families with children are welcome. Hotel deals are available for those traveling to the event. Registration details and additional information can be found on the Mammoth Mountain events calendar.