Mammoth Lakes, United States · September 20 – 21, 2025
Mammoth Trailfest 2025 (Mammoth Lakes, United States) is a trail running event held on September 20 – 21, 2025, with 2 races: Mammoth Trailfest 50k (50.0km) and Mammoth Trailfest 26k (26.0km).
| Race | Distance | D+ / D− | Start | Status |
|---|---|---|---|---|
| Mammoth Trailfest 50k | 50.0km | 2133m+ | September 20 | Scheduled |
| Mammoth Trailfest 26k | 26.0km | 1064m+ | September 20 | Scheduled |
