Oldest winners
| # | Rider | Age |
|---|---|---|
| 1 | René De Rey | 27y + 153d |
| 2 | Roger De Clercq | 27y + 82d |
| 3 | Albert Van Damme | 22y + 350d |
| 4 | Daniël Van Damme | 22y + 328d |
| 5 | Rolf Wolfshohl | 22y + 327d |
| 6 | Rolf Wolfshohl | 20y + 329d |
| 7 | Albert Van Damme | 19y + 353d |
Youngest winners
| # | Rider | Age |
|---|---|---|
| 1 | Albert Van Damme | 19y + 353d |
| 2 | Rolf Wolfshohl | 20y + 329d |
| 3 | Rolf Wolfshohl | 22y + 327d |
| 4 | Daniël Van Damme | 22y + 328d |
| 5 | Albert Van Damme | 22y + 350d |
| 6 | Roger De Clercq | 27y + 82d |
| 7 | René De Rey | 27y + 153d |