i would say probably the Kentucky derby at Churchill Downs in Louisville Kentucky
Kentucky
Secretariat/Red
secretariat
it is the name of a famous race horse. A movie was made about this horse.
You're probably after a horse from America, but in Australia there's a mare called Black Caviar. 20 runs, unbeatean.
phar lap
Race Horse
Barbaro is a famous race horse.
It's the Kentucky Derby. The race course is in Louisville, Kentucky
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A famous race that starts with a T might include the Triple Crown. This is a combination of three horse races. The Travers Stakes is another famous "T" race. The winner of the most recent Travers Stakes race was Take Charge.
Phar Lap!