All available race results Eugène Grandjean
| Date | Race | Rank |
| 24/09 | Championnat de l'Union Vélocipédique de la Suisse Romande | 1 |
| 24/09 | Vevey - Grande Internationale | 3 |
Rider information for 1888
| Rank | 109 |
| Score | 60 |
| Name | Eugène GRANDJEAN |
| Country | Switzerland |
| Team | Individual |
| Date | Race | Rank |
| 30/09 | Championnat de l'Union Vélocipédique de la Suisse Romande | 4 |
Rider information for 1889
| Rank | 356 |
| Score | 26 |
| Name | Eugène GRANDJEAN |
| Country | Switzerland |
| Team | Individual |
| Date | Race | Rank |
| 03/08 | Tour du lac de Bienne | 12 |
Rider information for 1890
| Rank | 367 |
| Score | 11 |
| Name | Eugène GRANDJEAN |
| Country | Switzerland |
| Team | Individual |
| Date | Race | Rank |
| 03/07 | Championnat de Suisse sur route | 5 |
Rider information for 1892
| Rank | 151 |
| Score | 39 |
| Name | Eugène GRANDJEAN |
| Country | Switzerland |
| Team | Individual |
No results available in season 1898.
Rider information for 1898
| Rank | 129 |
| Score | 15 |
| Name | Eugène GRANDJEAN |
| Country | Switzerland |
| Team | Individual |