Ekiden Grandes Heures Nature

This team marathon divides the effort across varied sections. Relays 2 and 4 run the "Double Assaut de Chaudanne," while relay 6 runs the "Assaut de Chaudanne." Relays 1, 3, and 5 follow the "Boucle Vauban." The Ekiden Grandes Heures Nature uses these distinct routes.