Prix du Gros Chêne Prix du Gros Chêne The Prix du Gros Chêne is a Group 2 flat horse race in France open to thoroughbreds aged three years or older. It is run at Chantilly over a distance of 1,000 metres (about 5 furlongs), and it is scheduled to take place each year in late May or early June. The event was established in 1857, and it was originally contested over 800 metres. Its title refers to a large oak tree which stood in the grounds of the racecourse – the English translation of "Gros Chêne" is "Great Oak". The race was abandoned because
Prix Greffulhe Prix Greffulhe The Prix Greffulhe is a Group 2 flat horse race in France open to three-year-old thoroughbred colts and fillies. It is run over a distance of 2,000 metres (about 1¼ miles) at Saint-Cloud in May. The event is named in memory of Henri Greffulhe (1815–1879), a long-serving member of the Société d'Encouragement. It was established in 1882, and was originally run at Longchamp over 2,100 metres. The Prix Greffulhe was one of several trials for the Prix du Jockey Club collectively known as the Poules des Produits. The others (listed by their modern titles) were the Prix Daru,