There was just one ticket with all six winners in the Rainbow 6 at Gulfstream Park on Wednesday and it paid $636,311.50 on the 20 cents only bet.
Program numbers of the winning horses were: 10-4-5-6-8-9.
Gulfstream will begin a new Rainbow 6 cycle on Thursday with a guarantee that the pool will be at least $100,000 if there is just one ticket with all six winners.
The Rainbow 6 will be on races five through ten with the sequence scheduled to start at 2:38 p.m.
First post will be 12:35 p.m. for the ten-race card.