The Summer Stakes is a Canadian Thoroughbred horse race run annually at Woodbine Racetrack in Toronto, Ontario. Contested on turf over a distance of 1 mile (8 furlongs), it is open to two-year-old horses. Raced in late September/early October, the Grade III event was a Grade II event but in 2006 was downgraded to its present Grade III status. Inaugurated in 1953 at Fort Erie Racetrack as a sprint race on dirt, the Summer Stakes was moved to the turf in 1962. Since inception it has been run at various distances.
| Stakes Race | Grade | Purse |
|---|---|---|
| Eclipse Stakes | III | $150,000 |
| Nassau Stakes | II | $300,000 |
| King Edward Stakes | II | $250,000 |
| Highlander Stakes | II | $200,000 |
| Singspiel Stakes | III | $150,000 |
| Queen's Plate Stakes | I | $1,000,000 |
| Dominion Day Stakes | III | $200,000 |
| Dance Smartly Stakes | II | $300,000 |
| Ontario Matron Stakes | III | $150,000 |
| Nijinsky Stakes | II | $300,000 |
| Royal North Stakes | III | $150,000 |
| Sky Classic Stakes | II | $250,000 |
| Ontario Colleen Stakes | III | $150,000 |
| Play the King Stakes | II | $200,000 |
| Seaway Stakes | III | $150,000 |
| Natalma Stakes | III | $200,000 |
| Summer Stakes | III | $250,000 |
| Canadian Stakes | II | $300,000 |
| Northern Dancer Turf Stakes | I | $500,000 |
| Woodbine Mile Stakes | I | $1,000,000 |
| Selene Stakes | III | $250,000 |
| Grey Stakes | III | $200,000 |
| Nearctic Stakes | I | $500,000 |
| E.P. Taylor Stakes | I | $1,000,000 |
| Canadian International Stakes | I | $1,500,000 |
| Autumn Stakes | II | $150,000 |
| Kennedy Road Stakes | III | $150,000 |
| Bessarabian Stakes | III | $150,000 |
| Valedictory Stakes | III | $150,000 |