All available race results Jean Oeyen
| Date | Race | Rank |
| Tour de Luxembourg | ||
| 17/06 | Stage 2 | 1 |
| 19/06 | Stage 4 | 1 |
| 20/06 | Stage 5 | 1 |
| 21/06 | Stage 6 | 1 |
| 22/06 | Stage 7 | 6 |
| 23/06 | Stage 8 | 7 |
| 23/06 | General Classification | 3 |
| Tour de Suisse | ||
| 24/08 | Stage 1 | 44 |
| 25/08 | Stage 2 | 49 |
Rider information for 1935
| Rank | 356 |
| Score | 86 |
| Name | Jean OEYEN |
| Country | Belgium |
| Team | Securitas - La Nordiste |
| Date | Race | Rank |
| 22/03 | Bruxelles - Bellaire | 5 |
| 26/04 | Liège - Bastogne - Liège | 33 |
| Tour de Belgique | ||
| 05/05 | Stage 1 | 53 |
| 06/05 | Stage 2 | 48 |
Rider information for 1936
| Rank | 459 |
| Score | 60 |
| Name | Jean OEYEN |
| Country | Belgium |
| Team | De Dion - Bouton |
| Date | Race | Rank |
| 04/04 | Paris - Bruxelles | 22 |
| 10/04 | Liège - Bastogne - Liège | 21 |
Rider information for 1937
| Rank | 244 |
| Score | 129 |
| Name | Jean OEYEN |
| Country | Belgium |
| Team | La Perle - Hutchinson |