Doncaster Racecourse of ruffians they attracted, but by 1614 it acknowledged failure and instead marked out a racecourse. Doncaster is home to two of the World's oldest horse races: – The Doncaster Cup The earliest important race in Doncaster's history was the Doncaster Gold Cup, first run over Cantley Common in 1766. The Doncaster Cup is the oldest continuing regulated horse race in the world. Together with the Goodwood Cup and Ascot Gold Cup, the Doncaster Cup is part of Britain's Stayers' Triple Crown for horses capable of running longer distances. The St Leger Stakes Ten years later the Racecourse moved to
Irish St. Leger 1915, and it was originally restricted to three-year-olds. The first horse to win both the English and Irish St Legers was Royal Lancer in 1922. The first Irish St. Leger winner to complete a Triple Crown (having previously won the Irish 2,000 Guineas and the Irish Derby) was Museum in 1935. The only subsequent horse to win all three races was Windsor Slipper in 1942. The Irish St Leger became an open-age race in 1983, and there have been several repeat winners since then. The most successful has been Vinnie Roe, with four consecutive victories from 2001 to 2004. The