On May 22, 1966, Mike Parkes and Ludovico Scarfiotti won the Spa-Francorchamps 1000-Km, 5th round of the International Sports-Prototypes Trophy. The 71 laps were completed in 4 h 43’24’’at an average speed of 131.702mph. Fastest lap (Mike Parkes) in 3’46’’4 at 139.318mph.