La Courvalienne is a small October trail event in Hodeng-au-Bosc, a village in Seine-Maritime in Normandy. It offers two distances, 6 km and 15 km, with both running and walking options, accommodating those who want a short outing and those ready for a longer route.
The program includes a 6 km trail, a 15 km trail, a 6 km walk, and a 15 km walk. While course details, elevation, or field size are not provided, the race utilizes local off-road routes instead of a road-racing format.