Jacques Dupont (; 19 June 1928 â 4 November 2019) was a French racing cyclist and Olympic champion in track cycling. He won a gold medal in the 1000m time trial at the 1948 Summer Olympics in London. He also won a bronze medal in the team road race, together with José Beyaert and Alain Moineau. He won ParisâÂÂTours in 1951 and 1955. He won the 1955 event in what was then a record speed for a professional race covering the 253 km at an average of 43.666 km per hour and being awarded the Ruban Jaune.