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
American Jockey Club Cup the race was reduced to 2500 metres in 1967 and then to 2400 metres in 1972 before returning to 2500 metres in 1980. The race was run over its current distance for the first time in 1984. Among the winners of the race have been Special Week, Matsurida Gogh, Tosen Jordan and Rulership. Most successful horse (2 wins): American Jockey Club Cup The American Jockey Club Cup (Japanese アメリカジョッキークラブカップ) is a Grade 2 horse race in for Thoroughbred colts and fillies aged four and over run over a distance of 2,200 metres at Nakayama Racecourse. The race is run in