The Seaway Stakes is a Thoroughbred horse race run annually in late August or early September at Woodbine Racetrack in Toronto, Ontario, Canada. A Grade III race since 2004, it is open to dillies and mares aged three and older. Contested over a distance of 7 furlongs on Tapeta synthetic dirt, it carries a purse of C$150,000. There was no race run in 1965 and 1966. In 1984 it was run in two divisions. Inaugurated in 1956, over the years the race has been contested at various distances: * 6 furlongs : 1958-1964 * 6+1⁄2 furlongs : 2006 * 7 furlongs : 1956-1957, 1967–2005, 2007