It will follow a Saturday on which the Rainbow 6 jackpot was hit for $411,188,06. Gulfstream will have a new Rainbow 6 pool on Sunday on races six through eleven.
In Late racing on Saturday, Three Rules and Cajun Delta Dawn triumphed in two-year-old stakes in the opening races of the Florida Sire Stakes Series.
Three Rules won the $200,000 Dr, Fager Stakes at six furlongs on dirt for two-year-old males.
Cajun Delta Dawn won the $200,000 Desert Vixen Stakes at six furlongs on dirt for two-year-old fillies.
There are no stakes races on the Sunday card. The dirt track is listed as fast and the turf course is listed as firm.
The Weather Channel forecast for Hallandale Beach, where Gulfstream is located, is for a 15 percent chance of rain until 3:00 p.m. Then the chance of thunderstorms increases to between 40 percent and 55 percent through the end of the race day around 6:30 p.m.
The Rainbow 6 payoff was for a 20-cent bet, the only denomination allowed on the wager that requires picking the winners of the last six races. A ticket can have multiple horses in one or more races, and thus multiple 20-cent combinations.
Gulfstream said that Saturday's winning ticket cost $2,160 and was purchased at Remington Park in Oklahoma City, Okla. It had 10,800 combinations.
It was the only ticket with all six winners. The carryover coming in was $317,841.65. Bettors added $116,686 on Saturday.
The payoff was the combination of the entire carryover plus 80 percent of the day's new Rainbow 6 bet, on which there is a 20 percent takeout.
The carryover had grown to more than $400,000 because Friday was the 20th straight race day without the carryover/jackpot payoff requirement of just one ticket with the winners of all six Rainbow 6 races.
On days when there are multiple tickets with six winners, Gulfstream takes out 20 percent of the day's Rainbow 6 bet. It divides 56 percent among tickets with six winners and puts 24 percent into the carryover.