70km and 2600m positive altitude change**

From Les Rousses (department 39) on Saturday, 30th September 2023 to Métabief (department 25)

Limited to 900 runners

Registration fee : 95€/runner

The registration fee include : the entry to the run, the timing, safety all along the race, the food and water supplies, the access to the showers or any other facilities rolled out by the organizer.