Golden Tempo won the Kentucky Derby on Saturday, making Cherie DeVaux the first woman to train the winner of the opening leg of the Triple Crown.
"Only in these days of political correctness could such an overturn occur," Trump tweeted.
Country House, a 65-1 long shot, was declared the Kentucky Derby winner after first finisher Maximum Security was disqualified.
In 1968, a drug test led officials to controversially disqualify Kentucky Derby winner Dancer's Image.
With the annual Kentucky Derby on Saturday, what better time to head to Yonkers Raceway and do a little horse racing ourselves?
The woman, who didn't want to be identified, made an $18 dollar "Pick 5" wager at her local racetrack in Austin, Texas. She picked the winners of five races and got them right.