Circuit de Wallonie is a cycling race held annually in Belgium since 1966. It has been a category 1.1 event on the UCI Europe Tour sincee 2019, having upgraded from 1.2 status, which the race obtained in 2011. Until 2003 the race was held under the name Circuit du Hainaut.

Arnaud De Lie is a Belgian professional cyclist, who currently rides for UCI ProTeam Lotto–Dstny, having been promoted from the Lotto–Soudal U23 team at the end of the 2021 season.