UpcomingMammoth Lakes, CASep 25, 2026 to Sep 27, 2026Starts In92d 19h
Mammoth Trailfest
A weekend of trail running across the top of California — 50K, 26K, Dragon's Back Ascent, plus live entertainment and community.
Friday, September 25, 2026 to Sunday, September 27, 2026
Location
Mammoth Lakes, CA
We'll SMS you key moments: race start, lead changes, finish line alerts.
US & Canada numbers only. See our Privacy Policy and Terms.
Updates
Full feed →Live Updates
Live course updates and commentary will appear here during the broadcast.