A third source, neither the ministry census nor OpenStreetMap: what the town itself publishes. It is the only one that says where a facility came from, who built it and what it cost.
La Baconnière's pumptrack, near the sports hall, was chosen by the town after weighing it against a city-stade, several meetings settling the site and the materials. The scheme cost €118,992 excl. tax, engineering included, entrusted to the USE consultancy. It was the second pumptrack in Mayenne, opened in summer 2022.1