Mammoth Trailfest 2026
Mammoth Trailfest is a 50 KM trail ultra in Mammoth Lakes, CA on September 25, 2026. See its terrain, cutoffs and how it fits your running on Find My Ultra.
- Distance
- 31.1 mi (50 KM)
- Elevation Gain
- 7,000 ft
- Max Altitude
- 11,053 ft
- Cutoff
- 12 hrs