Week-Trails Du Psno - Saint Pierre De Clairac 2026

GWEN, the Grand Weekend Nature, is a two-day trail running event in Saint-Pierre-de-Clairac, a village in Lot-et-Garonne, southwest France. It takes place on the third weekend of November, organized by PSNO, the Pôle sport nature orientation. The event offers races from 10 km to 64 km. A Défi du PSNO format combines a 10 km and a 22 km race for a 32 km total. The event’s most distinctive race is the short night trail. Runners start from the village square at 7 PM for a roughly 12 km course with 260 meters of climbing. The next morning, a longer trail covers about 26 km with 592 meters of positive elevation gain. GWEN also incorporates Challenge Trails 47 races, attracting local runners seeking series points and those desiring a village-based trail running weekend in November.