Le Défi Vall'Rance Caulnes

Le Défi Vall'Rance is an endurance trail running event held in the picturesque Vallée de la Rance, between Caulnes and Guitté. Participants can choose to compete solo or in pairs, tackling a 7.7 km loop with a 200m elevation gain. The event spans 12 hours, with a maximum of 60 minutes allowed per loop.

The challenge encourages runners to push their limits, with prizes for the top finishers in various categories. Organized by a dedicated team of volunteers, the event aims to promote local heritage and provide a unique experience in a beautiful setting. Visit the organization's website for the most recent information.