Marmotte Granfondo Alpes

As demonstrated by the incredible rate of foreign participation: 88% or more than 6,600 foreign cyclists. It takes tenacity and courage to overcome the 186 kilometers and 5,000 meters of elevation gain of the course: the sequence of 5 of the most legendary passes in France: the Iron Cross, the Telegraph, the Galibier , Lautaret and finally the final ascent of Alpe d'Huez.