All available race results Gaston Dujay
| Date | Race | Rank |
| 07/04 | Critérium National | 22 |
Rider information for 1940
| Rank | 658 |
| Score | 0 |
| Name | Gaston DUJAY |
| Country | France |
| Team | Individual |
No results available in season 1943.
Rider information for 1943
| Rank | 634 |
| Score | 0 |
| Name | Gaston DUJAY |
| Country | France |
| Team | Génial Lucifer |
No results available in season 1946.
Rider information for 1946
| Rank | 1128 |
| Score | 0 |
| Name | Gaston DUJAY |
| Country | France |
| Team | Rochet - Dunlop |
| Date | Race | Rank |
| 03/04 | Critérium National | 47 |
| 15/05 | Paris - Tours | 80 |
| Paris - Saint-Etienne | ||
| 05/06 | Stage 1 | 8 |
Rider information for 1949
| Rank | 952 |
| Score | 10 |
| Name | Gaston DUJAY |
| Country | France |
| Team | Génial Lucifer - Hutchinson |
| Date | Race | Rank |
| 04/06 | Paris - Clermont-Ferrand | 16 |
Rider information for 1950
| Rank | 1176 |
| Score | 4 |
| Name | Gaston DUJAY |
| Country | France |
| Team | Vanoli - Dunlop |
No results available in season 1951.
Rider information for 1951
| Rank | 1416 |
| Score | 0 |
| Name | Gaston DUJAY |
| Country | France |
| Team | Chaplait - Hutchinson |