Mammoth Trail Fest

Mammoth Trail Fest is a multi-day trail running event held in Mammoth Lakes, California, set against the stunning Eastern Sierra backdrop. The festival features a variety of races including the challenging 50K and 26K single-loop mountain courses with significant elevation gains, the Dragon's Back Ascent to Mammoth Mountain's summit, a night race called tenkay with glowsticks and festive atmosphere, and a kids' 1K run. The event emphasizes community, inclusivity, and trail stewardship, offering live entertainment, storytelling, local food, and a vibrant festival experience. Participants enjoy well-supported courses, unique medals, professional timing, and a lively post-race party, making it a celebrated gathering for trail runners of all levels. Visit the organization's website for the most recent information.