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
American Jockey Club Cup the race was reduced to 2500 metres in 1967 and then to 2400 metres in 1972 before returning to 2500 metres in 1980. The race was run over its current distance for the first time in 1984. Among the winners of the race have been Special Week, Matsurida Gogh, Tosen Jordan and Rulership. Most successful horse (2 wins): American Jockey Club Cup The American Jockey Club Cup (Japanese アメリカジョッキークラブカップ) is a Grade 2 horse race in for Thoroughbred colts and fillies aged four and over run over a distance of 2,200 metres at Nakayama Racecourse. The race is run in