Horses can be placed on this list for reasons of illness, overall soundness or fitness to race.
| Horse Name | Horse Breed | Date On | Track On | Date Off | Official Vet Exam | Work | Qualify | Vet List Type |
|---|---|---|---|---|---|---|---|---|
| Spanishbenediction | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Spark Away | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| SPARKLE FARKLE | Standardbred | The Raceway at Western Fair District | Yes | X | Long List | |||
| Sparklin Bright | Thoroughbred | Fort Erie Racetrack | No | X | ||||
| Speed Surfing | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Speedy Nephrite | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| SPICEY VICTOR | Standardbred | Flamboro Downs | Yes | X | Long List | |||
| Spider Belle | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Spigetinmtzaballs | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Spiral Storm | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| Spirit Belle | Thoroughbred | Fort Erie Racetrack | Yes | |||||
| Spirit Soul Body | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| Splendida | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| Sportscaster | Thoroughbred | Fort Erie Racetrack | Yes | X | ||||
| SPORTY GUSSIE | Standardbred | Rideau Carleton Raceway | No | X | Long List | |||
| Spring in the Wind | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Star Chamber | Thoroughbred | Woodbine Racetrack | Yes | X | ||||
| Star Conqueror | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Star Journey | Thoroughbred | Woodbine Racetrack | No | X | ||||
| Stardust Kitten | Thoroughbred | Fort Erie Racetrack | Yes | X |