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.

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Skratch Labs