Prix du Gros Chêne horse, Fine Art. The race returned to its original venue, Chantilly, in 1957. The present system of race grading was introduced in 1971, and for a period the Prix du Gros Chêne held Group 3 status. It was promoted to Group 2 level in 1988. The race is now held on the same day as the Prix du Jockey Club. 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),
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,