Prix du Moulin de Longchamp (the "grande piste") in 1987. The race was rescheduled for mid-September in 2011. Most successful horse: Leading jockey (6 wins): Leading trainer (6 wins): Leading owner (4 wins): The 2016 and 2017 races took place at Chantilly while Longchamp was closed for redevelopment. Prix du Moulin de Longchamp The Prix du Moulin de Longchamp is a Group 1 flat horse race in France open to thoroughbred colts and fillies aged three years or older. It is run at Longchamp over a distance of 1,600 metres , and it is scheduled to take place each year in September. The event is
Fair Grounds Race Course Race Course" in 1852. The track closed in 1857 due to competition from the Metairie Course. In 1859 the track was renamed the "Creole Race Course." In 1863, the name was changed again to the "Fair Grounds" and racing was conducted during the Civil War. The track then closed when the Metairie Course reopened after the war. In 1871, the younger members of the Metairie Jockey Club broke away to re-form the then defunct Louisiana Jockey Club and again hold meets at the Fair Grounds. In 1872 the first race card is held at the Fair Grounds under the auspices