1973 Preakness Stakes combined victories at the Belmont Stakes, Preakness Stakes, and Kentucky Derby, Secretariat became the ninth horse to complete the Triple Crown of Thoroughbred Racing, and the first horse since Citation in 1948, ending a 25-year period without a Triple Crown winner. Secretariat's times in all three Triple Crown races were stakes records and still stand to this day. 1973 Preakness Stakes The 1973 Preakness Stakes was the 98th running of the Preakness Stakes at Pimlico Race Course in Baltimore, Maryland held on May 19, 1973. Six horses entered, and Secretariat won by lengths ahead of Sham in front of a
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