Tro-Bro Léon is a professional cycle road race held in Finistère, Brittany. The event was first run in 1984 as an amateur race before becoming a professional race since 2000. The race was established in 2005 as a 1.1 event on the UCI Europe Tour. In 2020, the event joined the UCI ProSeries in its inaugural edition, although the cancellation of the 2020 edition meant that the inaugural event was held in 2021.

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.