The 1973 Kentucky Derby was the 99th running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. Secretariat won the Derby in a record time of 1:59+2⁄5, 2+1⁄2 lengths ahead of Sham, while Our Native finished in third position. Of the thirteen horses that entered and started the race, all horses completed the event. The event was viewed in person by a then-record crowd of 134,476, while also being broadcast both on television and over the radio.