La Marmotte
La Marmotte is one of the toughest one-day cyclosportive events in the world.
The route is 174 km long, but features more than 5180 metres of climbing. The event goes over the Col du Glandon, Col du Telegraphe, Col du Galibier and finishes at the top of one the most famous Tour de France climbs, Alpe d’Huez.