Bettors added $10,782,375 to the Rainbow 6 at Gulfstream on Saturday. The carryover coming in was $4,503,332. Bettors at Gulfstream and around the country poured money into the Rainbow 6 because today there will be a mandtory payout of the carryover plus today's new bets. It will be disributed among all tickets with the winners of all six races. Those winners will divide about $13.1 million. A big payout could be looming. The winners of the first three legs and their odds were: 7th --Mighty Mo 3-1 8th -- Deer Dog 6-1 9th -- Rose's Dancer 13-1 10th -- Bibbo 6-1 .