All available race results Jean Lesage
| Date | Race | Rank |
| 18/04 | Ronde van Vlaanderen | 22 |
| Ronde van Nederland | ||
| 24/04 | Stage 1 | 2 |
| 02/05 | Liège - Bastogne - Liège | 38 |
| Vuelta a España | ||
| 13/06 | Stage 1 | 10 |
| 14/06 | Stage 2 | 3 |
| 15/06 | Stage 3 | 6 |
| 16/06 | Stage 4 | 7 |
| 17/06 | Stage 5 | 2 |
| 18/06 | Stage 6 | 33 |
| 19/06 | Stage 7 | 2 |
| 21/06 | Stage 8 | 23 |
| 22/06 | Stage 9 | 2 |
| 23/06 | Stage 10 | 1 |
| 24/06 | Stage 11 | 3 |
| 25/06 | Stage 12 | 13 |
| 26/06 | Stage 13 | 14 |
| 27/06 | Stage 14 | 5 |
| 29/06 | Stage 15 | 1 |
| 30/06 | Stage 16 | 2 |
| 01/07 | Stage 17 | 15 |
| 02/07 | Stage 18 | 1 |
| 03/07 | Stage 19 | 2 |
| 04/07 | Stage 20 | 22 |
| General Classification | 12 | |
| G.P. Impanis | ||
| 02/08 | Stage 2 | 1 |
Rider information for 1948
| Rank | 52 |
| Score | 800 |
| Name | Jean LESAGE |
| Country | Belgium |
| Team | Alcyon - Dunlop |
No results available in season 1949.
Rider information for 1949
| Rank | 1416 |
| Score | 0 |
| Name | Jean LESAGE |
| Country | Belgium |
| Team | Alcyon - Dunlop |
No results available in season 1952.
Rider information for 1952
| Rank | 1381 |
| Score | 0 |
| Name | Jean LESAGE |
| Country | Belgium |
| Team | Van Hauwaert |
No results available in season 1965.
Rider information for 1965
| Rank | 1222 |
| Score | 0 |
| Name | Jean LESAGE |
| Country | Belgium |
| Team | Ford France - Gitane |