Natroun over 2400 metres at Longchamp Racecourse on 7 May. Two weeks later he contested the Prix de l'Avre over the same course and distance and won by five lengths from Bilal. Following the race, the colt's owner paid a supplementary entry fee of approximately £15,200 to enter the horse in the Prix du Jockey-Club, reportedly at the urging of Saint-Martin. On 7 June, Natroun contested the 150th running of the Prix du Jockey-Club over 2400 metres at Chantilly Racecourse. In France, horses in the same ownership or stable are coupled for betting purposes. The Vincent O'Brien pair Ancient Times and
Prix du Pin it was run over 1,850 metres (1960–61), 2,100 metres (1962–63), 2,000 metres (1964) and 1,800 metres (1965–69). It was shortened to 1,400 metres in 1970. For a period the Prix du Pin held Listed status. It was promoted to Group 3 level in 2004. Keos finished first in 1997, but he was relegated to third place following a stewards' inquiry. <br> Prix du Pin The Prix du Pin is a Group 3 flat horse race in France open to thoroughbreds aged three years or older. It is run at Longchamp over a distance of 1,400 metres (about 7 furlongs), and