Photos: Triple Crown winners

Here's a look back at the 11 horses who've managed the feat. Sir Barton was the first horse to earn the Triple Crown of Thoroughbred Racing, as it would come to be known, by winning the Kentucky Derby, Preakness Stakes and Belmont Stakes in 1919.

Here's a look back at the 11 horses who've managed the feat. Sir Barton was the first horse to earn the Triple Crown of Thoroughbred Racing, as it would come to be known, by winning the Kentucky Derby, Preakness Stakes and Belmont Stakes in 1919.