 Godefroot was a specialist in one-day classic cycle races, winning the Liège–Bastogne–Liège (1967), Paris–Roubaix (1969), and the Tour of Flanders (1968, 1978).Besides winning the green jersey at the 1970 Tour de France, Godefroot was the first to win the final stage on the Champs-Élysées stage in the Tour de France.Godefroot was disqualified three times for doping.