All available race results Giovanni Ronco
| Date | Race | Rank |
| 28/09 | Trofeo Baracchi | 3 |
Rider information for 1941
| Rank | 771 |
| Score | 0 |
| Name | Giovanni RONCO |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| Trofeo Baracchi | ||
| 27/09 | General Classification | 3 |
Rider information for 1942
| Rank | 360 |
| Score | 21 |
| Name | Giovanni RONCO |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| 14/05 | Coppa Bernocchi | 6 |
| 27/08 | Trofeo Baracchi | 4 |
Rider information for 1944
| Rank | 206 |
| Score | 34 |
| Name | Giovanni RONCO |
| Country | Italy |
| Team | Individual |
No results available in season 1945.
Rider information for 1945
| Rank | 536 |
| Score | 9 |
| Name | Giovanni RONCO |
| Country | Italy |
| Team | Individual |
No results available in season 1946.
Rider information for 1946
| Rank | 1088 |
| Score | 0 |
| Name | Giovanni RONCO |
| Country | Italy |
| Team | Pedale Monzese |
| Date | Race | Rank |
| 19/03 | Milano - Sanremo | 22 |
| 27/04 | Giro del Piemonte | 18 |
| 27/07 | Trofeo Baracchi | 11 |
| Giro d'Italia | ||
| General Classification | 36 |
Rider information for 1947
| Rank | 150 |
| Score | 316 |
| Name | Giovanni RONCO |
| Country | Italy |
| Team | Wilier Triestina |
| Date | Race | Rank |
| 14/03 | Milano - Torino | 33 |
| 19/03 | Milano - Sanremo | 51 |
| 01/05 | Giro di Romagna | 23 |
| Giro d'Italia | ||
| General Classification | 15 |
Rider information for 1948
| Rank | 224 |
| Score | 230 |
| Name | Giovanni RONCO |
| Country | Italy |
| Team | Viscontea |