Arches Ultra 50 Mile is the 81.0km ultra trail at Arches Ultra 2026 (Moab, United States). The race starts on January 31, 2026.
The course climbs 1380m+. With 17m/km of climbing, the course is predominantly runnable. By gradient, 14% of the distance is uphill, 17% downhill and 69% flat. Surface: 75% trail, 7% technical, 7% smooth, and 5% road. Flat-equivalent effort: 79.9 FlatKM.
The course is runnable enough that trekking poles are not needed.
Quad damage risk is low (index 9 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from -3°C to 8°C, with around 7°C at the highest point; the chance of precipitation is about 20%.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Arches Ultra 50 Mile.
Other distances of Arches Ultra 2026Arches Ultra 50k (50.0km)·Arches Ultra Half Marathon (21.0km)·Arches Ultra 9k (9.0km)