Secretariat (horse) three, Secretariat not only won the Triple Crown, he set speed records in all three races. His time in the Kentucky Derby still stands as the Churchill Downs track record for miles, and his time in the Belmont Stakes stands as the American record for miles on the dirt. His controversial time in the Preakness Stakes was eventually recognized as a stakes record in 2012. Secretariat's win in the Gotham Stakes tied the track record for 1 mile, he set a world record in the Marlboro Cup at miles, and further proved his versatility by winning two major stakes races
1919 Belmont Stakes 2:17.4 set an American record for 1 –mile. 1919 Belmont Stakes The 1919 Belmont Stakes was the 51st running of the Belmont Stakes. It was the 13th Belmont Stakes held at Belmont Park in Elmont, New York and was held on June 11, 1919. With a field of only three horses, heavily favored Sir Barton won the 1 –mile race (11 f; 2.2 km) by 5 lengths over Sweep On. By winning the Belmont, Sir Barton became the first horse to win the Kentucky Derby, the Preakness Stakes, and the Belmont Stakes -- a feat which would later become known