Which horse holds the speed record in all three triple crown races?

which horse holds the speed record in all three triple crown races?

which horse holds the speed record in all three triple crown races?

Answer: the horse that holds the speed record in all three Triple Crown races (Kentucky Derby, Preakness Stakes, and Belmont Stakes) is Secretariat. Secretariat set speed records in each of these races during the 1973 Triple Crown season.