Ibbenbüren, Germany · Saturday, September 26, 2026

Fixed Distance 50K

Dörenther Klippen UltraTrail

10 days to go

45.6 km Distance

1,120 m Climbing

4.0 Grit · Challenging

52.2775° N, 7.7151° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 25 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 8 hours 10:32 min/km average. Generous. Walkable throughout for most of the field. Tighter than 73% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →

Field size ~24 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (45.6km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, December

Daytime high 5°C

Night low 0°C

Rainfall Mostly dry

Daylight 12 h 01 m of light

Regional 2001-2020 average for December — NASA POWER, grid elevation 38 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 46 km of trail with 1,120 m of ascent.

Trail Running Shoes25 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition46 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles1,120 m of ascent to walk up.
GPS WatchesBattery life first — a 46 km day outlasts most full-GPS modes.

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

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

Skratch Labs

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Komperdell

Carbon Ultralight Vario 4

4-section folding carbon poles with compact pack size for mandatory gear.

$160 ★★★★★ 4.5

Suunto

Vertical

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

$630 ★★★★★ 4.5

All gear guides →

Course Notes

Landschaftslauf im Teutoburger Wald. Eine Strecke von 11.6 Kilometer mit 280 Hm wird viermal durchlaufen. Anspruchsvolle Streckenführung, steile Anstiege, teilweise felsiges Gelände.

Similar races

Other 50K trail ultras, closest in distance first.