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 du Pin Prix du Pin The Prix du Pin is a Group 3 flat horse race in France open to thoroughbreds aged three years or older. It is run at Longchamp over a distance of 1,400 metres (about 7 furlongs), and it is scheduled to take place each year in September. The event takes its name from France's oldest horse breeding establishment, located at Le Pin-au-Haras in Orne. The stud farm's construction was authorised by Louis XIV in 1715, and the first horses it accommodated were transferred from the previous Royal Stud at Saint-Léger-en-Yvelines in 1717. The Prix du Pin was introduced