Arosa, Switzerland · Saturday, September 11, 2027

Fixed Distance 50K

Arosa TrailRun AT54

308 days away

54.3 km Distance

3,456 m Climbing

7.9 Grit · Hardcore

46.7779° N, 9.6762° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 64 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 13 hours 14:22 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 71% of 50K races. Measured against 1087 races of the same distance. Cut-off calculator →

Typical conditions, September

Daytime high 15°C

Night low 5°C

Rainfall Showers likely

Daylight 12 h 51 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 1425 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 54 km of trail with 3,456 m of ascent.

Trail Running Shoes64 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition54 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles3,456 m of ascent to walk up.
HeadlampsA 13 h limit puts you out there after dark.

New Balance

Fuel Cell Super Comp Trail

★★★★★ 4.5

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Tailwind