The Trail of the Gray Mound (TTG) is a running event held in Pancé, in the heart of the Semnon and Vilaine valleys, near Rennes. Offering courses of 12, 26, and 46 km, the TTG allows participants to discover remarkable sites such as the Boël Mill and the Gray Mound. The event, organized for 12 years, caters to all levels of runners with varied and progressively technical circuits.
The TTG also stands out for its eco-friendly commitment, limiting plastic waste and reusing the trail markers. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
46 km
900m+
26 km
12 km