Jemez Mountain Trail Runs
Los Alamos, NM
- 50 Miler, 50K, 15 Miler
- Trail (Unpaved)
- Official race website
The Jemez Mountain Trail Runs take place in the Jemez Mountains of northern New Mexico. The races start and end in the town of Los Alamos. The Jemez Mountains Trail Runs has gained a reputation as a very difficult course. The course is on technical trails with a substantial amount … MORE
Local Historical Weather (May 09):
| 2026 | 2025 | 2024 | 2023 | 2022 | |
| H (°F) | 78 | 66 | 59 | 74 | 74 |
| L (°F) | 58 | 43 | 43 | 55 | 52 |
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Tough, tough mountain ultra
This was by far the toughest 50K I have ever done. Over 6,400 feet total elevation gain with a peak elevation of 10,400 feet. There will still patches of snow … MORE
This was by far the toughest 50K I have ever done. Over 6,400 feet total elevation gain with a peak elevation of 10,400 feet. There will still patches of snow above the Pajarito Ski Area the week of the race. At the summit, we had a great view of the Valles Caldera, a crater from an ancient volcano. The course would have been more scenic, but fires swept through some parts of the course in recent years and wiped out the trees. Epic but difficult course.