Years of neglect have pushed thoroughbred racing – the sport of kings – to the margin of American society. Can it be saved?. Horse racing in the United States dates back to , which saw the establishment of the Newmarket course in Salisbury, New York, a section of what is now known as the Hempstead Plains of Long Island, New York. This first racing meet in North America was supervised by New York's Thoroughbred racing in · Quarter horse racing · Major racetracks · Types of racing. NBC is broadcasting the five-day event to an American audience in an effort to expand its international horse racing coverage.