Gulfstream Park: Rainbow 6 Jackpot Pool Guaranteed At $500,000 Sunday by Press Release|03.18.2023|6:40pm Gulfstream Park in Hallandale Beach, Fla. Gulfstream Park's 20-cent Rainbow 6 went unsolved Saturday for the ninth racing day following a March 5 mandatory payout, The popular multi-race wager's gross jackpot pool will be guaranteed at $500,000 on Sunday's program. Sunday's Rainbow 6 sequence will span Races 5-10, featuring an $86,000 optional claiming allowance for older horses scheduled for five-furlongs on turf. Barry Croft-trained Hope in Him will be seeking to rebound from a narrow loss while making only his second start on turf. The 4-year-old son of Chitu was riding a four-race winning streak on Tapeta heading into the race. Jonathan Thomas-trained High Front, who captured his debut by 6 ½ lengths in a five-furlong turf sprint last year at Gulfstream, is scheduled to make his 2023 debut and return to Gulfstream. The Rainbow 6 jackpot is paid out when there is a single unique ticket sold with all six winners. On days when there is no unique ticket, 70 percent of that day's pool goes back to those bettors holding tickets with the most winners, while 30 percent is carried over to the jackpot pool.