The Achievement Stakes is a Canadian Thoroughbred horse race run annually at Woodbine Racetrack in Toronto, Ontario. An allowance race restricted to three-year-old horses foaled in the province of Ontario, it is held on the July 1 Canada Day holiday and run on Polytrack synthetic dirt over a distance of six furlongs. The race currently offers a purse of $150,000.
First run as the Achievement Handicap at the Fort Erie Racetrack in 1953, over the years the event has been run on both dirt and turf and at a variety of distances:
- 11/16 miles on dirt : 1953-1957, 1968-1979 (Fort Erie Racetrack)
- 1 mile on turf : 1958 (Fort Erie Racetrack), 1959-1966 (Woodbine Racetrack)
- 1 mile on turf : 1967 (Fort Erie Racetrack)
- 7 furlongs on dirt : 1980 (Woodbine Racetrack), 1981-1993 (Greenwood Raceway)
- 6 furlongs on dirt : 1994 to present (Woodbine Racetrack)