Prix de Royaumont introduced in 1978, and the race was moved to a date earlier than that of the Prix de Diane. The event was staged at Longchamp from 1987 to 1990, and it was transferred to Saint-Cloud in 1991. Its distance was extended to 2,400 metres in 1992, and it continued to take place at Saint-Cloud until 1996. The race's only subsequent departure from Chantilly was in 2001, when it was run at Saint-Cloud. The Prix de Royaumont is now held on the same day as the Prix du Jockey Club. Prix de Royaumont The Prix de Royaumont is a Group 3
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