Barbaro (April 29, 2003 – January 29, 2007) was an American thoroughbred racehorse who decisively won the 2006 Kentucky Derby, but shattered his leg two weeks later in the 2006 Preakness Stakes, ending his racing career and eventually leading to his death.On May 20, 2006, Barbaro ran in the Preakness Stakes as a heavy favorite, but, after he false-started, he fractured three bones in and around the fetlock of his right hind leg.