hors categorie

noun1

1. •
   The toughest category of climbs, tougher than category 1. One of six categories of climbs, HC, 1, 2, 3, 4, and not classified; not classified being the easiest.

   • This was a victory in the grand style, the reward for a heroic escape on the slopes of a vicious mountain pass rated hors-catégorie. — 2010