Prix Jean Prat metres. For a period it was held in April, and it served as a trial for the Prix du Jockey Club. Both Prix Biennal races were renamed the Prix Jean Prat in 1940. This was in memory of Jean Prat (1847–1940), a successful racehorse owner and breeder. The version for three-year-olds was switched to late May or early June in 1961. It was shortened to 1,850 metres in 1962. It was transferred to Chantilly and cut to 1,800 metres in 1967. The present system of race grading was introduced in 1971, and for several years the event held Group 2
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.