Climb. Explore. Resist.
The Ardennes Monster is the hardest ultra cycling race in Belgium.
Tame him.
1 050 km – ORIGIN
20 000 m+
The Origin.
Experience the Monster as it has always been: gargantuan.
The quintessence of self-surpassing, where Heroes have emerged.
Namur, 13.08.2025
3 Checkpoints
Time limit : 100h
500 km – EVEREST
8 848 m+
An introduction to the lands of the Monster.
Tame your emotions on a course that is both accessible and equally grandiose.
Experience the legacy of Ardennes cycling and climb an elevation equal to Mount Everest!
Namur, 13.08.2025
2 Checkpoints
Time limit : 48h
L’épreuve d’ultracyclisme iconique dans les Ardennes
Images : Nova Production, Fabio Duez, Hugo Spina, Lucas Izzi
HEROIC
To become a Hero, all you need to do is deliver the final blow to the Monster. Isn't it child's play ?
LEGENDARY
Sweat and blood.
They have written The Ardennes Monster History., in golden letters.
BRUTAL
Many have walked on the steepest slopes of the Kingdom. Many have left a piece of their soul there...
Words of Heroes
Dare you go into the Monster's den ?
Going further... ? Fly, you fools !
The Route
Discover the route. Caution ! It is scary.
The Climbs
The most famous climbs are not the hardest. See that here.
Rules
All info you need to take part to this crazy adventure.
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Dream or Nightmare ? Welcome to Hell