Osnabrück, Germany · Saturday, April 10, 2027

Fixed Distance 50K

PiesBERG-Ultra-Marathon

206 days away

50 km Distance

2,100 m Climbing

5.7 Grit · Challenging

52.2726° N, 8.0498° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 42 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 11 hours 13:12 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 62% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →

Field size ~126 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (63.3km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 14°C

Night low 4°C

Rainfall Mostly dry

Daylight 13 h 31 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 50 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 50 km of trail with 2,100 m of ascent.

Trail Running Shoes42 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 Poles2,100 m of ascent to walk up.
GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Spring Energy

Awesome Sauce

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

$4 ★★★★★ 4.6

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

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

Nach einem Asphalt-Auftaktstück Richtung BERG werden 6 Runden am PiesBERG auf Wanderwegen, Waldpassagen, Treppen und Singletrails zurückgelegt. 3396 Treppenstufen

Similar races

Other 50K trail ultras, closest in distance first.