Grand Prix de Chantilly Chantilly often go on to compete in the Grand Prix de Saint-Cloud. The last to win both in the same year was Ange Gabriel in 2003. The Grand Prix de Chantilly is now staged on the same day as the Prix du Jockey Club. Most successful horse (2 wins): Leading jockey (4 wins): Leading trainer (9 wins): Leading owner (5 wins): Grand Prix de Chantilly The Grand Prix de Chantilly is a Group 2 flat horse race in France open to thoroughbreds aged four years or older. It is run at Chantilly over a distance of 2,400 metres (about 1½
Prix du Moulin de Longchamp when the racecourse was built in 1856. The Prix du Moulin de Longchamp was one of two major races introduced to celebrate Longchamp's centenary in 1957. Both initially took place on the first Sunday in October, the same day as the Prix de l'Arc de Triomphe. The other race, the Prix de l'Abbaye de Longchamp, is still held at that meeting. The Prix du Moulin was moved to late September in 1974, and to the first Sunday of that month in 1980. It was formerly contested on Longchamp's middle course (the "moyenne piste"), but was switched to the main course