Bielefeld, Germany · Saturday, March 6, 2027
Fixed Distance 50K
Im Schatten der Hünenburg - Ultramarathon
151 days away
46 km Distance
1,500 m Climbing
4.6 Grit · Challenging
What the course asks
Climbing rate 33 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 9 hours
11:44 min/km average. Firm. Room to walk the climbs and stop at aid. About average for a 50K. Measured against 1046 races of the same distance. Cut-off calculator →
Field size ~25 Small. Long stretches with nobody in sight.
DUV results for the 2025 edition (46km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, March
Daylight 11 h 09 m of light
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 46km | 25 | Max Lappenbusch · 04:12:00 | Anna Christina Nowak · 05:41:57 |
| 2024 | 47km | 24 | Arne Gabriel Tiemann · 04:15:22 | Marion Konradt · 06:10:13 |
The field has held steady: 24 in 2024, 25 in 2025. 20% of the 2025 field were women.
DUV results for the 2025 edition (46km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- terrain This is a rolling course. Expect fast, runnable sections where rhythm is key.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 46 km of trail with 1,500 m of ascent.
- Trail Running Shoes 33 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 46 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 1,500 m of ascent to walk up.
- GPS Watches Battery life first — a 46 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.