The jockey who rides their horse to victory gets a 10% cut of the prize money. But they won't take home the full $186,000 themselves. There's a 25% fee to his agent, as well as a traditional 5% tip to the valet who helps him prepare all of his gear for the race.
Those costs shave the winning jocket's payday down by $55,800 to $130,200. And then they need to pay taxes.
The second and third place jockeys each receive a 5% cut of their $600,000 and $300,000 prizes, respectively, and pay the same proportional agent and valet fees as the top finisher. That leaves them with pre-tax winnings of $21,000 and $10,500.