| Year | Winning Rider | Manufacturer |
|---|---|---|
| 1949 | Leslie Graham |
AJS
|
| 1951 | Fergus Anderson |
Moto Guzzi
|
| 1952 | Jack Brett |
AJS / Norton
|
| 1953 | Geoff Duke (1/2) |
Gilera
|
| 1954 | Geoff Duke (2/2) |
Gilera
|