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
Jockey Club of Turkey at Veliefendi. Those races continued until 1922. In 1920, under the auspices of Mustafa Kemal Pasha TBMM organized races in Ankara. Between 1923-1926 various races were held in Istanbul. In 1927 with the attendance of Mustafa Kemal, Gazi Derby to which thoroughbreds could join. The first race with cup was held under the name of ‘’Presidency Race Cup’’ in 1939. In 1953 Jockey Club received the name of Jockey Club of Turkey. Since then, races have been continuing. Synchronously with the development of Jockey Club of Turkey, modern horse races and horse race sector gains a big leap every year