Leopard Ultra-Trail Mullerthal (UTML)
About This Race
The only ultra-trail in Luxembourg, taking runners through the spectacular Mullerthal region known as Little Switzerland. A challenging semi self-sufficient race through untouched nature and imposing rock formations.
The Course
Technical trail through Mullerthal region (Little Switzerland of Luxembourg) featuring rock formations, moss-covered forests, stream valleys, stairs, and panoramic viewpoints
Are you ready for Leopard Ultra-Trail Mullerthal (UTML)?
Get a free training plan tailored to your level — 5 months to go
Powered by 
Race Details
Terrain
Trail
Elevation
Mountain
3500m (111K) gain
Participants
1,500 participants
Distances
111K Ultra, 75K, 42K Marathon, 21K Half Marathon, 10K
What to Expect
Challenge yourself on Luxembourgs most demanding trail event through the mystical Mullerthal region. Expect technical terrain with rock scrambles, forest trails, countless stairs, and stream crossings amid surreal rock formations and pristine nature.
Highlights
Race Information
Start Time
06:00
Typical Weather
Variable autumn conditions, 10-18°C, possible rain
Established
2015
Tags
Frequently Asked Questions
Quick Info
- September 11-12, 2026
- Waldbillig · Luxembourg
- Trail course
- Mountain elevation
- 1,500 participants
Verified event information
- Last verified about 21 hours ago
- Data sourced from official website