Prix Bertrand du Breuil Prix de Diane. In 2013 the race was renamed in memory of Bertrand du Breuil (1926-2011), the last president of the Societe d'Encouragemment, forerunner of France Galop. Prix Bertrand du Breuil The Prix Bertrand du Breuil is a Group 3 flat horse race in France open to thoroughbreds aged four years or older. It is run at Chantilly over a distance of 1,600 metres (about 1 mile), and it is scheduled to take place each year in June. The earliest version of the event was established at Chantilly in 1852. Its prize money was originally provided by the Chemin de
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