Osnabrück, Germany · Saturday, April 10, 2027

Fixed Distance 50K

PiesBERG-Ultra-Marathon

192 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 1034 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.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	63.3km	126	Christian Vogt · 06:45:53	Marta Choma · 07:54:52
2024	63.3km	115	Patrick Kaczynski · 06:01:52	Anika Fels · 07:10:46
2023	63.3km	124	Stefan Wielers · 06:28:49	Sonia Isabel Goebel · 07:37:32
2022	63.3km	97	Patrick Kaczynski · 05:53:47	Sarah Mangler · 07:25:43
2019	63km	128	Patrick Kaczynski · 06:12:05	Dunja Plesnik · 07:48:27
2018	60km	118	Uwe Mende · 06:00:49	Sonia Isabel Goebel · 06:43:37
2017	60km	131	Carlos Souza · 06:04:08	Sonia Isabel Goebel · 06:40:01
2016	55.2km	110	Uwe Mende · 05:27:16	Hannelore Horst · 06:31:37
2015	55.2km	98	Uwe Mende · 05:26:40	Arenda Scherpenkate · 05:51:05
2014	55.2km	89	Jürgen Bultmann · 05:26:53	Manuela Köhne · 06:36:37

The field grew 10% between 2024 (115) and 2025 (126). 22% of the 2025 field were women.

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.

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 Shoes 42 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,100 m of ascent to walk up.
GPS Watches Battery 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

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