Ultra Running Hub
Trail 50k
Billingen Trail Marathon
Race day
47km Distance
1,086m Elevation
4 Grit Score
Challenging Level
Vertical Intensity 23 D+/km
Moderate undulations. Requires consistent effort across varying grades.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.