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
Belmont Stakes 12, 1917 and again on May 13, 1922, the Preakness and the Derby were run on the same day. On eleven occasions, the Belmont Stakes was run before the Preakness Stakes. The date of each event is now set by the Kentucky Derby, which is always held on the first Saturday in May. The Preakness Stakes is currently held two weeks later; and the Belmont Stakes is held three weeks after the Preakness (five weeks after the Derby). The earliest possible date for the Derby is May 1, and the latest is May 7; the earliest possible date for the