The winning jockey of the Kentucky Derby typically earns about 10% of the winner's prize money. For the 2025 Kentucky Derby, the total purse is $5 million, with the winner taking home $3.1 million. Therefore, the winning jockey's share is approximately $310,000

. This payout is consistent with recent years; for example, in 2024, jockey Brian Hernandez Jr. earned $310,000 for winning the Derby. It's important to note that jockeys usually receive a guaranteed riding fee plus this percentage of the prize money. Additionally, some of the jockey's earnings may go to their agent and valet, and taxes will also apply

. In summary, the winning jockey of the Kentucky Derby can expect to earn around $310,000 from the race winnings.