Moab, UT, United States · Saturday, January 30, 2027
Fixed Distance 50K
Arches Ultra 50 km Race
136 days away
50 km Distance
900 m Climbing
3.9 Grit · Challenging
What the course asks
Climbing rate 18 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Field size ~239 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, January
Daytime high 3°C
Night low -7°C
Rainfall Dry — rain unlikely
Daylight 10 h 10 m of light
Regional 2001-2020 average for January — NASA POWER, grid elevation 1819 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 900 m of ascent.
- Trail Running Shoes50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 50 km, without the bounce.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
Races travels along the border of Arches National Park, using Bar M, Klonzo, and Klondike Trail Systems.
Similar races
Other 50K trail ultras, closest in distance first.