Challenge yourself – and gravity – on an uphill moonlit 5k race from the base of Mammoth Mountain to the summit on a mountain bike or by foot. See more here!
CALI4NIA = For California Passholders. Must show valid Cali4nia Pass at Registration
EMP = For Mammoth Moutain Employees. Must show valid Employee ID at Registration
Event details and schedule
For all of the details including schedule, lodging, Participant Packet, and more visit here!