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
Prix du Prince d'Orange Prix du Prince d'Orange The Prix du Prince d'Orange is a Group 3 flat horse race in France open to three-year-old thoroughbreds. It is run at Longchamp over a distance of 2,000 metres (about 1¼ miles), and it is scheduled to take place each year in September. The event is named after William of Orange (1840–1879), the eldest son of William III of the Netherlands. The Prince became a member of the Jockey-Club de Paris in 1863, and took up racehorse ownership shortly before his death. The Prix du Prince d'Orange was established in 1882. It was originally open to