All available race results Guillaume Cognet
| Date | Race | Rank |
| 12/06 | G.P. des "Pneus du XX° Siècle" | 19 |
Rider information for 1921
| Rank | 802 |
| Score | 1 |
| Name | Guillaume COGNET |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 12/06 | G.P. des "Pneus du XX° Siècle" | 19 |
| Rank | 802 |
| Score | 1 |
| Name | Guillaume COGNET |
| Country | France |
| Team | Individual |