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
Jockey Club Stakes win both races in the same year was Shirocco in 2006. Most successful horse (2 wins): Leading jockey (7 wins): Leading trainer (9 wins): Jockey Club Stakes The Jockey Club Stakes is a Group 2 flat horse race in Great Britain open to horses aged four years or older. It is run over a distance of 1 mile and 4 furlongs (2,414 metres) on the Rowley Mile at Newmarket in late April or early May. The event was introduced by the Jockey Club in 1894. It was originally held in the autumn, and was initially run over 1 mile and