Climb. Suffer. Resist.

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

Tame him.

94 dreamers, … 42 finishers

On the first two editions, 94 dreamers thought about defeating the Monster... but only 42 manage to rise above the Citadel of Namur, the final barrier of this impossible course. Relive the Chapter II.


To become a Hero, all you need to do is deliver the final blow to the Monster. Isn't it child's play ?


Sweat and blood.

They have written The Ardennes Monster History., in golden letters.


Many have walked on the steepest slopes of the Kingdom. Many have left a piece of their soul 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.

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 

Nos partenaires

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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