Climb. Suffer. 

The Ardennes Monster is the hardest ultra cycling race in Belgium. The Monster is not your friend.

Tame him.

CHAPTER I – 2022


Relive this epic race that the warriors have given us.


A first chapter worthy of the Legend. They have written The Ardennes Monster History.


They are numerous to walk in the steepest climbs of the Kingdom... Many of them have left feathers there.

An extraordinary experience

Ardennes Classics

Ride where Champions are fighting. Climbs from Liège-Bastogne-Liège, the Flèche Wallonne, or the Wallonia GP, you won't be disappointed.


The race is 100% self-supported. Useless to call your mom.

Almost 100 listed climbs

Listed climbs like the Redoute, the Wall of Huy... but get ready to discover many others that are even harder.

Champions area

Belgian Ardennes are rich of cycling history. You will ride on the breeding ground of champions. Become one of them, in this amazing territory.

Nos partenaires

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.


All info you need to take part to this crazy adventure.


Dream or Nightmare ? Welcome to Hell 

Will you beat Belgian riders ?

Proud of our cycling culture, we will defend our home ! More info in the rules statement.

You want to challenge the Monster ?
Book your entry !

Registrations are limited. Don't wait, or go play 1,2,3 piano.

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