Ruele de Fiernet from Walcourt

At just 0.5km, Ruele de Fiernet from Walcourt is short but deceptively intense — 50m of elevation packed into a brief, breathless effort. At 10.1% average, every metre is earned. The steepest sections touch 12.1%, where the road feels more wall than road. It's over before the legs know what happened — a short, explosive effort where momentum is everything. Located in Wallonia, Belgium.