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 Hocquart Prix Hocquart The Prix Hocquart 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 2,200 metres (about 1 mile and 3 furlongs) at Longchamp in May. The event was established in 1861, and it was originally called the Prix de Longchamps. In the early part of its history its distance was 2,500 metres. Due to the Franco-Prussian War, it was not run in 1871. The Prix de Longchamps was one of several trials for the Prix du Jockey Club collectively known as the Poules des Produits.