Mammoth Trailfest @ Mammoth Mountain

Mammoth Trailfest, presented by Craft, is a multi-day community-focused trail running event held across the top of California, running September 24–27, 2026. Race distances include a 50K, 26K, 10K, Dragon’s Back Ascent, and a Kid’s 1K, making it accessible to a wide range of runners and families. The event emphasizes community and trail culture in the Eastern Sierra. A hotel deal is noted in the source. Registration details and updates are available through the official Mammoth Trailfest channels.