Le Mesnil au Trail is a March weekend of trail running, mountain biking, and walking held at the École de la Saire in Le Mesnil-au-Val, Manche. This Normandy event offers trail races of 9, 16, 21, and 30 km, mountain bike routes of 25, 35, and 45 km, and walks of 6, 13, and 17 km. The series is in its 10th edition; the previous event had 1,569 participants.
The 17 routes minimize road sections, guiding participants through Brix, Digosville, Ruffosses, and Tamerville. Starts and finishes are at the local school, with on-site food, drink, and prizes including mountain bikes and a car racing course. The event originated with the parents' association Le Tableau noir and is now managed by Le Mesnil Ô Val, headed by former school parent Ludovic Quentin. Funds raised support sports activities at the Mesnil-au-Val school; one past edition funded a circus week for the children. Approximately fifteen organizers and over 60 event-day volunteers manage the weekend, handling path clearing, course marking, partner relations, registration, catering, signaling, and safety.