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
Discovery (horse) by his continuing rivalry with Cavalcade. He finished second to Cavalcade in the 1934 Kentucky Derby and third to High Quest and Cavalcade in the Preakness Stakes. Both horses skipped the Belmont Stakes. Discovery went on to win the first of three consecutive Brooklyn and Whitney Handicaps (both under higher and higher weights), and set a world record time for one mile and three-sixteenths in the Rhode Island Handicap at Narragansett Park. In 1935, Discovery was the dominant horse in the United States, and one of the most notable things about him was his ability to carry great weight. Running