50K, 26K, Dragon's Back Ascent & Kid's Mile

New for 2023: Mammoth Trail Fest 26K is now part of the Golden Trail World Series

Enjoy a weekend of community focused trail running across the top of California presented by Salomon. From world-class trail races and community focused events, to free live entertainment, storytelling, and great local food, Mammoth Trail Fest is a multi-day experience designed to increase access to trail and ultrarunning through opportunity, education, and trail stewardship.

Register Now