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
Horse racing wasn't until the 1920s that modern horse racing involving betting developed. The nation's first authorised club, the Chosun Racing Club, was established in 1922 and a year later, the pari-mutuel betting system was officially adopted for the first time. The Korean War disrupted the development of horse racing in the country, but after the Seoul Olympics in 1988, the Olympic Equestrian Park was converted into racing facilities named Seoul Race Park, which helped the sport to develop again. The big race in the UAE is the Dubai World Cup, a race with a purse of US$10 million, which was the