Mammoth Trail Fest

Mammoth Trailfest, held in Mammoth Lakes, California, is a multi-day trail running festival set in the stunning Eastern Sierra. The event features a variety of races including the challenging 50K and 26K single-loop mountain courses with significant elevation gain, the Dragon's Back Ascent climbing from 8,500' to over 11,000', the nighttime tenkay glowstick run, and a kids' 1K. The festival offers a vibrant community atmosphere with live entertainment, storytelling, local food, and educational activities focused on trail stewardship.

Participants enjoy well-supported courses, unique medals, swag, and post-race celebrations, making it a premier mountain trail running experience. Visit the organization's website for the most recent information.