Trail
20 km
20 km

Trail
20 km
20 km
Trail
14 km
14 km
Trail
3 km Mine
3 km
A unique trail experience in Rumelange, Luxembourg, linking runners through forests, fields, and a 3 km underground mine gallery at a constant 10 °C. The race combines sport, industrial heritage, and an unusual adventure in the heart of the former mining region.
3 aid stations on the 14 km course and 3 aid stations on the 20 km course, plus one at the finish. Drinks and snacks provided.
No pacers scheduled. Race run at your own pace; wear a headlamp and helmet in the mine (mandatory). Respect the 12:15 mine closure — late entrants will be directed to the finish via road.
Monthly averages based on historical data (2000–present).
Last updated: Jun 6, 2026, 12:20:34 AM
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