A white truck driving down a dirt road
Les Boucles Ardennaises

Les Boucles Ardennaises 42K

42K·545m gain·La Roche-en-Ardenne, Belgium
foresttechnicaltrailloopmarathon

Photo by Faisal Nabrawi on Unsplash

Distance42K
Gain545m
Date6 Jun 2026
Fee€14
Difficulty4/5

About This Race

The full mountain experience requiring navigation through narrow singletrack, steep ridge ascents, valley descents, and multiple crossings of the Ourthe occidentale. This challenging route tests both technical skills and endurance across the most rugged Ardennes terrain.

The full mountain experience requiring navigation through narrow singletrack, steep ridge ascents, valley descents, and multiple crossings of the Ourthe occidentale. This challenging route tests both technical skills and endurance across the most rugged Ardennes terrain.

Elevation Profile

Elevation profile estimated from terrain data. Actual course may differ.

The course gains 545m over 42km, with the steepest section between km 30–km 30.

Location

Practical Info

Nearest Airport

BRU - Brussels Airport

Required Gear
  • reusable_cup

Best For

trail_runnersmountain_runners

Notable Features

The event emphasizes environmental responsibility by requiring reusable cups at aid stations and maintaining a strong conservation ethic throughout the forested Ardennes. Runners experience authentic Belgian countryside, including active farm crossings and river fords through the Ourthe occidentale.

Other Distances at This Event