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
South Australian Jockey Club was the Hon. Sec. and Edward Strike the Clerk of the Course. Many variously named clubs were subsequently formed and folded, and races were run under Jockey Club rules within and outside these organisations at various locations: Dry Creek, the East Parklands (the "Old Adelaide Racecourse") and Glenelg. Following several successful race meetings organised by E. M. Bagot and Gabriel Bennett on their grazing property south of Henley Beach Road, Thebarton (where Mile End is today), the first being 6–8 January 1859, and a series of preliminary discussions held in June and July 1861, a new committee was formed, whose