All available race results Ettore Mambretti
| Date | Race | Rank |
| 07/11 | Giro di Lombardia | 223 |
Rider information for 1909
| Rank | 829 |
| Score | 6 |
| Name | Ettore MAMBRETTI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| 17/04 | Championnat de la Suisse méridionale | 4 |
Rider information for 1911
| Rank | 818 |
| Score | 2 |
| Name | Ettore MAMBRETTI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| 14/04 | Championnat de la Suisse méridionale | 5 |
Rider information for 1912
| Rank | 833 |
| Score | 1 |
| Name | Ettore MAMBRETTI |
| Country | Italy |
| Team | Individual |