Exchange Rate (8), at 7-2, beat Zarain (9), at 3-1. in Friday’s fifth race at Gulfstream Park.
It was the start of the Rainbow 6 which had a coming-in carryover of $757,752. Bettors added $340,053 to the pool.
On Saturday,Gulfstream will have a mandatory payout on its Rainbow 6, and the size of the pool will be determined by what happens in the Rainbow 6 on Friday.
If there are multiple tickets with all six winners,
the carryover will continue into Saturday and probably be about $850,000. It would probability generate about $5 million in Rainbow 6 bets on Saturday.
If there is jut one ticket with all six winners, it would win the jackpot–made up of the entire carryover plus 80 percent of the ne bet (20 percent takeout).