La Traversée des Vallées 2026

La Traversée des Vallées is a semi-nocturnal trail race held in Longueville-sur-Scie, a village in Seine-Maritime, Normandy. Taking place in mid-November, it features three trail distances: 11 km, 20 km, and 28 km, with the 28 km route being the most popular choice. The courses are single-loop runs within a natural setting around the Scie valley. Participants can select a short trail, a mid-distance option, or the 28 km format. The event also offers a hike option, welcoming non-runners, and includes entertainment and awards throughout the day.