Babie Monster (5), at 7-1, won Wednesday's third race at the Gulfstream Park West meet to start the Rainbow 6.
The carryover coming in was $727,236. Bettors added $173,135 to the Rainbow 6 pool.
The race was a $10,000 claimer for 3-year-olds and up, at seven furlongs on the dirt listed as Fast.
Babie Monster won in 1:25.41 with Paco Lopez riding for trainer Joe Orseno.