Los Alamos, NM, United States · Saturday, May 15, 2027

Fixed Distance 50K

Jemez Mountain 50km Trail Run

227 days away
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

35.8881° N, 106.3070° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~203 Large. Rarely out of sight of another runner.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, May

Daytime high 21°C
Night low 4°C
Rainfall Dry — rain unlikely
Daylight 14 h 02 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 2346 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2026 50km 203 Evan Kwiecien · 04:46:54 Ellen Cannon · 06:05:22
2025 50km 181 Galen Hecht · 05:08:17 Becca Bramley · 05:30:55
2024 50km 159 Joshua Mirth · 04:53:47 Isabella Poulos · 05:55:30
2023 50km 146 Michael Carilli · 05:03:59 Katie Kammer · 05:57:05
2021 50km 84 John Herrick · 04:38:51 Michelle Hummel · 05:09:26
2019 50km 198 Frank Pipp · 04:41:39 Imogen Ainsworth · 05:18:39
2018 50km 242 Michael Bienkowski · 04:31:39 Kathryn Ross · 05:09:33
2017 50km 197 Logan Ott · 04:59:08 Erica Baron · 05:38:26
2016 50km 175 Logan Ott · 05:09:14 Ruth Senior · 05:46:15
2015 50km 159 Jonathan Severy · 04:45:00 Erica Baron · 05:42:13

The field grew 12% between 2025 (181) and 2026 (203). 35% of the 2026 field were women.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail.

  • Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
  • Race Nutrition 50 km of self-supported fuelling between aid stations.
  • Hydration Vests Flask capacity for 50 km, without the bounce.
  • GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
All gear guides →

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