All available race results Roger Paul Marius Da Ros
| Date | Race | Rank |
| 07/03 | Nice - Mont Agel | 28 |
Rider information for 1948
| Rank | 1495 |
| Score | 0 |
| Name | Roger Paul Marius DA ROS |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 24/04 | G.P. du Midi-Libre | 27 |
Rider information for 1949
| Rank | 1107 |
| Score | 6 |
| Name | Roger Paul Marius DA ROS |
| Country | France |
| Team | Mervil - Dunlop |
| Date | Race | Rank |
| 05/02 | Nice - Mont Agel | 7 |
Rider information for 1950
| Rank | 757 |
| Score | 24 |
| Name | Roger Paul Marius DA ROS |
| Country | France |
| Team | Mervil - Dunlop |