The Triple Crown of Thoroughbred Racing is a trio of races for three-year-old horses run in May and early June of each year in the United. American Pharoah became racing's 12th Triple Crown winner in all three races in , no horse had done it since Affirmed in. Horse Racing's Triple Crown is made up of the Kentucky Derby, Preakness and Belmont Stakes and only 11 horses have accomplished the. Zayat Stables, LLC Trainer: Thank you for signing up! Fill in your details below or click an icon to log in: In the period, horses who contested all three races, losing the Kentucky Derby but winning the Preakness and the Belmont were Risen Star inHansel inTabasco Cat inPoint Given inand Afleet Alex in North American Sire Lists All Sires First-Crop Sires Second-Crop Sires Third-Crop Sires Sires of 2YOs Turf Sires All-Weather Sires Polish zloti by AEI N.