there’s a new kid in town.
welcome to theMAMMOTH
this event was born out of a desire to showcase the remarkable beauty of the eastern Sierra, increase local economic impact during shoulder season, and provide a peak life experience with the community and quality that you know and love from trailfest. - when the time is right we would love the opportunity to host you
214 miles.
oct 2-6, 2026
we are delighted to continue pushing our sport forward with a generous prize purse.
PRIZE MONEY
$5,000: first place female and male
$3,000: second place female and male
$2,000: third place female and male
theMAMMOTH operates on permitted area and uses authorized facilities located on the National Forest and under special use permission from the Forest Service