All available race results Roger Alonzo
| Date | Race | Rank |
| 07/03 | G.P. de l'Echo d'Alger | 49 |
Rider information for 1948
| Rank | 1638 |
| Score | 0 |
| Name | Roger ALONZO |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 05/03 | G.P. de l'Echo d'Alger | 55 |
Rider information for 1950
| Rank | 1839 |
| Score | 0 |
| Name | Roger ALONZO |
| Country | France |
| Team | Individual |