Barsinghausen, Germany · Sunday, February 7, 2027

Fixed Distance 50K

Deister Arschgeweih Ultra

92 days away

50 km Distance

1,450 m Climbing

4.7 Grit · Challenging

52.3000° N, 9.4500° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 29 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 8 hours 9:36 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 88% of 50K races. Measured against 1087 races of the same distance. Cut-off calculator →

Field size ~25 Small. Long stretches with nobody in sight.

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, February

Daytime high 5°C

Night low -2°C

Rainfall Mostly dry

Daylight 9 h 23 m of light

Regional 2001-2020 average for February — NASA POWER, grid elevation 67 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

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 50 km of trail with 1,450 m of ascent.

Trail Running Shoes29 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 Poles1,450 m of ascent to walk up.
GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.

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

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

Suunto

Vertical

Titanium GPS watch with solar charging, offline maps, and 140-hour GPS battery.

$630 ★★★★★ 4.5

All gear guides →

Course Notes

80% der Strecke verlaufen über breite befestigte Waldwege im Laub- und Nadelwald, 20% über Trails. Das Wetter im Februar macht die Strecke noch interessanter.

Similar races

Other 50K trail ultras, closest in distance first.