Moab, UT, United States · Saturday, October 3, 2026
Fixed Distance 50K
Arches Marathon
17 days to go
50 km Distance
2,500 m Climbing
6.3 Grit · Hardcore
What the course asks
Climbing rate 50 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Field size ~83 Mid-sized. Company early, well spread out by halfway.
DUV results for the 2025 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, October
Daytime high 17°C
Night low 4°C
Rainfall Mostly dry
Daylight 11 h 45 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 1819 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a mountain course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 2,500 m of ascent.
- Trail Running Shoes50 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles2,500 m of ascent to walk up.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.