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 Jockey Club The Jockey Club is the largest commercial horse racing organisation in the United Kingdom. No longer responsible for the governance and regulation of British horseracing, today it owns 15 of Britain's famous racecourses, including Aintree, Cheltenham, Epsom Downs and both the Rowley Mile and July Course in Newmarket, amongst other concerns such as the National Stud, and the property and land management company, Jockey Club Estates. The registered charity Racing Welfare is also a company limited by guarantee with the Jockey Club being the sole member. As it is governed by Royal Charter, all profits it makes are