He competed in three events for France at the 1980 Summer Olympics in Moscow, Russia, including swimming the backstroke leg for the fifth-place French men's 4x100-meter medley relay team.[1] Delcourt won the silver medal in the men's 200-meter backstroke event at the 1984 Summer Olympics in Los Angeles, California.[1]
^2008 Florida Gators Swimming & Diving Media Guide, HistoryArchived 2012-03-05 at the Wayback Machine, University Athletic Association, Gainesville, Florida, pp. 100, 103, 105, 116 (2008). Retrieved September 25, 2010.