| Nongraded stakes race | |
| Location | Assiniboia Downs Winnipeg, Manitoba, Canada |
|---|---|
| Inaugurated | 1930 |
| Race type | Thoroughbred - Flat racing |
| Website | www |
| Race information | |
| Distance | 1+1⁄8 miles (9 furlongs) |
| Surface | Dirt |
| Track | left-handed |
| Qualification | Three-years-old |
| Weight | Scale weights, 121-fillies, 126-colts & geldings |
| Purse | $125,000 CAD (2023) |
The Manitoba Derby is a Canadian Thoroughbred horse race run annually at the beginning of August at Assiniboia Downs in Winnipeg, Manitoba, Canada. Established in 2023, it is the first jewel of the Western Canadian Triple Crown. A Listed Race for three-year-olds, it is contested on dirt over a distance of 1+1⁄8 miles (9 furlongs).