2023 May 11
Grand Duc - Trail de Chartreuse
The Grand Duc, it's more than 30 years of history
The course of the race changes every year and the Grand Duc has already climbed many peaks in the Chartreuse: Grand Som, Chamechaude, Dent de Crolles, Charmant Som, Grande Sure, Pinéa, Bec Charvet, Cochette, Mont Joigny...
Over the last 10 years, the event has grown and the number of participants has multiplied! Today there are more than 1000 runners from all over the world who come to try the challenge of the Grand Duc Ultra Trail de Chartreuse!