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 Muguet was introduced in 1967. It was contested over 2,000 metres at Longchamp in 1968. The race was not run in 1971, and it resumed with Group 3 status in 1972. It was absent again in 1974, and for a period thereafter it was sometimes staged at Longchamp (1976–77, 1982–83 and 1985). The Prix du Muguet was promoted to Group 2 level in 1995. Most successful horse (2 wins): Leading jockey (4 wins): Leading trainer (6 wins): Leading owner (3 wins): Prix du Muguet The Prix du Muguet is a Group 2 flat horse race in France open to thoroughbreds aged