High Quality Content by WIKIPEDIA articles! The Autumn Stakes is a Canadian Thoroughbred horse race run annually at Woodbine Racetrack in Toronto, Ontario. Run in mid November, it is open to horses aged three and older. It was raced on dirt until 2006 when the track`s owners installed the new synthetic Polytrack surface. For 2008, the Canadian Graded Stakes Committee upgraded the Autumn Stakes to Grade II status.