The Old Hat Stakes is an American flat Thoroughbred horse race for three-year-old fillies held annually in early January at Gulfstream Park in Hallandale Beach, Florida. It is currently a Grade III race run over a distance of 6 furlongs on dirt. It became a graded race for the first time in 2005.The race was named after Old Hat, an exceptional racing mare who often vied with the great Affectionately.