Witzenhausen-Kleinalmerode, Germany · Sunday, February 7, 2027

Fixed Distance Marathon

Haferberg - Hasenmühle UltraTrail

157 days away

45 km Distance

1,200 m Climbing

4.1 Grit · Challenging

51.3410° N, 9.8554° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 27 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 8 hours 10:40 min/km average. Generous. Walkable throughout for most of the field. Tighter than 86% of Marathon races. Measured against 42 races of the same distance. Cut-off calculator →

Field size ~35 Small. Long stretches with nobody in sight.

DUV results for the 2026 edition (45km) — 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 3°C

Night low -3°C

Rainfall Mostly dry

Daylight 9 h 29 m of light

Regional 2001-2020 average for February — NASA POWER, grid elevation 301 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 45 km of trail with 1,200 m of ascent.

Trail Running Shoes 27 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 45 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 1,200 m of ascent to walk up.
GPS Watches Battery life first — a 45 km day outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Adidas

Terrex Speed Ultra

★★★★★ 4.5

Spring Energy

Awesome Sauce

Real food gel with 180 calories. Rice-based with natural flavors.

$4 ★★★★★ 4.6

Salomon

ADV Skin 12

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

$180 ★★★★★ 4.8

Black Diamond

Distance FLZ

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

$170 ★★★★★ 4.7

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7

All gear guides →

Course Notes

Landschaftslauf durch den winterlichen Kaufunger Wald und rund um Kleinalmerode. Wald- und Wiesenwege, Trails mit einigen Höhenmetern. Mit Schnee- und Eisglätte ist zu rechnen.

Similar races

Other Marathon trail ultras, closest in distance first.