Mammoth Trail Fest

Mammoth Lakes, United States • 18-21 Sep 2025

Mammoth Trail Fest, held in Mammoth Lakes, California, is a multi-day trail running event set amidst the stunning Eastern Sierra terrain. The festival features various races, including a 50K, 26K, and the Mammoth Triple, which combines three challenging summits over three days. Highlights include the Dragon’s Back Ascent, a scenic trail from Twin Lakes to Mammoth Mountain, and community activities such as talks, performances, and a post-race celebration. The event emphasizes accessibility, community involvement, and trail stewardship, offering participants unique medals, on-course photos, and local festivities. It attracts runners of all levels eager to experience the breathtaking mountain scenery and vibrant festival atmosphere. Visit the organization's website for the most recent information.

Race information

50 km
7000 m+
50k
26 km
26k
Dragon Ascent
Kids Run
Mammoth Triple
Tenkay
Visit the organization's website for the most recent information.
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