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

Fixed Distance 50 mi

Jemez Mountain 50mi Trail Run

227 days away

80 km Distance

not publishedn/a Climbing

4.0 est Grit · Challenging

Calculated from 80 km alone — the organiser has not published an elevation profile. Read 4.0 as a floor, not a verdict.

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

What the course asks

Field size ~56 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (50mi) — 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	50mi	56	Benjamin Stout · 08:21:07	Kristina Chang · 12:00:36
2025	50mi	56	David Hedges · 08:49:37	Heather McNiff · 11:52:52
2024	50mi	23	Dustin Simoens · 09:28:16	Sarah Gage · 10:56:40
2023	50mi	56	Benjamin Stout · 08:20:54	Sarah House · 10:10:41
2021	50mi	41	Nathan Moody · 10:28:15	Darcy Piceu · 11:21:07
2019	50mi	67	Jeffrey Colt · 08:32:55	Annie Hughes · 10:27:57
2018	50mi	90	Christian Gering · 07:57:48	Katie Arnold · 09:53:39
2017	50mi	85	Chris Price · 08:39:15	Amanda Morgenstern · 10:41:44
2016	50mi	80	Nicholas Clark · 08:37:23	Darcy Piceu · 10:32:05
2015	50mi	105	Nicholas Clark · 08:27:02	Bethany Lewis · 10:00:04

The field has held steady: 56 in 2025, 56 in 2026. 18% of the 2026 field were women.

DUV results for the 2026 edition (50mi) — 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 80 km of trail.

Trail Running Shoes 80 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 80 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 80 km, without the bounce.
Headlamps 80 km almost certainly means running into the night.
GPS Watches Battery life first — a 80 km day outlasts most full-GPS modes.