Ruffian, Ill-Fated Hall of Fame Race Horse, Is Reburied in Kentucky
New York Times
The filly, perhaps the greatest female thoroughbred in history, died after a 1975 race at Belmont Park in which she injured her ankle.
https://www.nytimes.com/2023/08/24/us/ruffian-race-horse-reburied-kentucky.html