Grand Duc - Trail de Chartreuse
Entremont-le-Vieux, France • 29 Jun 2025
The Grand Duc Trail offers several events, including the 77 km Ultra Solo, relays for teams of 2 and 5, as well as a new 24 km event. Registrations for the 2025 edition are already open. The trail takes place in the Vallée des Entremonts and features preserved landscapes of the Chartreuse. Visit the organization's website for the most recent information.