Mammoth Trail Fest

Mammoth Trail Fest is a multi-day running event taking place in Mammoth Lakes, California, from September 18 to 21, 2025. This festival celebrates trail running with a variety of races, including the Mammoth Triple, 50K, 26K, tenkay, and Dragon Ascent, catering to runners of all levels. The event emphasizes community engagement, featuring live entertainment, storytelling, and local food. Participants can enjoy unique swag, post-race festivities, and a welcoming atmosphere. With breathtaking terrain and a focus on inclusivity, Mammoth Trail Fest aims to enhance access to trail running while fostering a sense of community among participants and spectators alike. Visit the organization's website for the most recent information.