https://www.allsprt.com/every-american-triple-crown-of-throroughbred-racing-winner-26780/
Every American Triple Crown of Thoroughbred Racing winner - allsprt
Mar 9, 2024 - 13 horses have taken the Triple Crown.
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https://internationalhorsepress.com/2022/02/09/all-american-quarter-horse-congress-announces-ranch-horse-triple-crown-challenge-consisting-of-six-new-ranch-stakes-classes-with-90000-added-money/
All American Quarter Horse Congress Announces Ranch Horse Triple Crown Challenge: Six New Ranch...
Feb 9, 2022 - All American Quarter Horse Congress Announces Ranch Horse Triple Crown Challenge Consisting of Six New Ranch Stakes Classes With $90,000 Added Money
american quarter horsetriple crowncongressannouncesranch