Ranger Up (6), at 3-1, won Saturday's eighth race at Gulfstream to start the Rainbow 6 with a guaranteed jackpot payoff.
The carryover coming in was $500,635. Bettors added $2,331,923 to the Rainbow 6. Gulfstream had projected that Rainbow 6 betting would be about$2.5 million.
The jackpot is made up of 80 percent of the day's new Rainbow 6 bet and the entire carryover,
Gulfstream will divide that money among all tickets with the six winning horses,