All available race results Marcel Bonsoir
No results available in season 1921.
Rider information for 1921
| Rank | 397 |
| Score | 27 |
| Name | Marcel BONSOIR |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| Paris - Saint-Etienne | ||
| 03/06 | Stage 1 | 33 |
Rider information for 1922
| Rank | 1136 |
| Score | 0 |
| Name | Marcel BONSOIR |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| Circuit du Midi | ||
| 14/07 | Stage 2 | 9 |
| 15/07 | General Classification | 20 |
Rider information for 1923
| Rank | 535 |
| Score | 18 |
| Name | Marcel BONSOIR |
| Country | France |
| Team | Individual |