Horse racing in the United States weeks later at Pimlico Race Course in Baltimore, Maryland; and the Belmont Stakes, held three weeks after the Preakness at Belmont Park on Long Island, form the Triple Crown of Thoroughbred Racing for three-year-olds. They are all held early in the year, throughout May and the beginning of June. The Breeders' Cup event is held in late October or early November at different race tracks every year. It receives less attention than the Triple Crown series from the general public but is of great importance in determining the American Horse of the Year and annual Eclipse Award divisional winners. It
Melbourne Racing Club the Caulfield Cup meeting in 1953. In 1963 the Melbourne Racing Club, which had been created from an amalgamation of the Williamstown Racing Club and the Victorian Racing and Trotting Association, was incorporated into the VATC. Following the merger, the newest of Melbourne's race tracks, Sandown Racecourse, was opened on 19 June 1965 in front of a crowd of over 52,000. The first Blue Diamond Stakes, a race for 2 year olds, was run at Caulfield in 1971 and won by Tolerance. The glass-fronted Rupert Clarke Grandstand, which replaced the main Caulfield grandstand of the 1920s, was opened in 1992.