The Défi des 7 portes is a hiking event held in Hinges, a commune within Pas-de-Calais in the Hauts-de-France region of northern France. It provides four walking distances: 7 km, 14 km, 21 km, and 42 km, suitable for both casual walkers and those seeking a marathon-distance hike. The entry fees for the routes are straightforward and affordable, starting at 7 € for the 7 km walk up to 14 € for the 21 km and 42 km options.
The 42 km route presents the event's primary challenge, intended for hikers aiming to test their endurance over this distance. Organizers frame the routes as an opportunity to explore the diverse landscapes surrounding Hinges, with the day also emphasizing participant interaction over solitary racing. Hinges contributes a touch of local history, featuring a mill recognized as part of its heritage.