Ultra Running Hub
Trail 50mi
Grand Trail des Lacs et Châteaux 85km
Race completed
88km Distance
4.4 Grit Score
Challenging Level
Vertical Intensity 0 D+/km
This course is relatively flat and fast. Ideal for PB attempts.
The Aid Station
Course-specific beta from the community
This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Course Intelligence
OPENFREE MAP (LIBRE)Course Notes
The GT85, innovative with a UTMB Index of 100K. This highly varied ultra cross-country trail will take you through a magnificent region, at the gateway to the Hautes Fagnes nature reserve, a land of lakes and castles, sublimated by forests aptly name