The Bison City Stakes is a Canadian Thoroughbred horse race run annually at Woodbine Racetrack in Toronto, Ontario. Held during first week of July, it is open to Canadian-foaled three-year-old fillies. Since the 1999 creation of the Canadian Triple Tiara, the race has been the second leg of the series. It is contested over a distance of  1 1⁄16 miles on Polytrack synthetic dirt, the race currently offers a purse of $191,725. It was run in two divisions in 1956 and 1962. In 1991, Francine Villeneuve became the first female jockey to win the race. In 2003 there was a Dead heat for first.