Mushka was born in 2005 and was owned by , and was bred by Diane Snowden. She was trained by William I. Mott and is most recognized for winning the Grade one Juddmonte Spinster Stakes in 2009. Following this win, Mushka traveled to Santa Anita Park, California for the 26th running of the Breeders' Cup Ladies' Classic, in which she placed second. She was ridden by jockey Kent J. Desormeaux.