Rainbow Day

Rainbow Day is a 3-year-old gelding from the United States, trained by Jeff Runco. He is sired by the stallion Rainbow Heir and out of the mare Alter Rhythm. So far, Rainbow Day has won one race in his career. On January 11, 2024, at Charles Town, he was ridden by Cullum Walter and achieved his biggest victory to date, winning a $10,370 Maiden Claiming race by defeating Run Rocky Run. Throughout his career, Rainbow Day has been a profitable horse for bettors, yielding a 46 percent return on investment for those who have supported him.