Who is the greatest Triple Crown winner in horse racing history?

Thirteen horses have swept all three classics since 1919. Only a few of them are remembered for it.

1. 1
   Secretariat

   Swept the 1973 Triple Crown in record time in all three legs and won the Belmont by 31 lengths.
   1000pts
2. 2
   Justify

   Won the 2018 Triple Crown undefeated, having never raced as a two-year-old.
   611pts
3. 3
   War Admiral

   Secretariat's grandsire's rival line: swept 1937 and later lost the famous match race to Seabiscuit.
   596pts
4. 4
   Omaha

   The 1935 winner and the tallest Triple Crown champion, later second in England's Ascot Gold Cup.
   517pts
5. 5
   Affirmed

   Took the 1978 Triple Crown while holding off Alydar in all three legs, the closest series ever run.
   517pts
6. 6
   American Pharoah

   Ended a 37-year Triple Crown drought in 2015, then added the Breeders' Cup Classic for a Grand Slam.
   423pts
7. 7
   Whirlaway

   Took the 1941 Triple Crown with a then-record Kentucky Derby and was Horse of the Year twice.
   423pts
8. 8
   Citation

   Won the 1948 Triple Crown and became racing's first millionaire, taking 32 of 45 career starts.
   310pts
9. 9
   Count Fleet

   Won the 1943 Belmont by 25 lengths, the second-widest Triple Crown margin ever recorded.
   310pts
10. 10
    Sir Barton

    The first horse to take all three races, in 1919, before the sweep was even called a Triple Crown.
    0pts

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