1973 Kentucky Derby entered the homestretch, Secretariat passed Sham in the final furlong and distanced himself to consolidate his lead. Secretariat would go on to win the Preakness Stakes and Belmont Stakes in the succeeding weeks, thus becoming the ninth horse to complete the Triple Crown of Thoroughbred Racing. Thirteen horses entered the Derby, which could have at most twenty participants. Horse owners had to pay a final entry fee of $2,500 to have their horses officially entered. The field was larger than anticipated because of new entries following Secretariat's loss at the Wood Memorial Stakes in New York. The Wood Memorial had
Kentucky Derby the track ran into financial difficulties and in 1894 the New Louisville Jockey Club was incorporated with new capitalization and improved facilities. Despite this, the business floundered until 1902 when Col. Matt Winn of Louisville put together a syndicate of businessmen to acquire the facility. Under Winn, Churchill Downs prospered and the Kentucky Derby then became the preeminent stakes race for three-year-old thoroughbred horses in North America. Thoroughbred owners began sending their successful Derby horses to compete later in the Preakness Stakes at the Pimlico Race Course, in Baltimore, Maryland, followed by the Belmont Stakes in Elmont, New York. The