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 it was run over 1,850 metres (1960–61), 2,100 metres (1962–63), 2,000 metres (1964) and 1,800 metres (1965–69). It was shortened to 1,400 metres in 1970. For a period the Prix du Pin held Listed status. It was promoted to Group 3 level in 2004. Keos finished first in 1997, but he was relegated to third place following a stewards' inquiry. <br> 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