All available race results Primo Castaldi
| Date | Race | Rank |
| 11/08 | Giro dell'Appennino | 11 |
Rider information for 1935
| Rank | 1101 |
| Score | 3 |
| Name | Primo CASTALDI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| 29/03 | Milano - Torino | 15 |
| 26/04 | Tre Valli Varesine | 19 |
Rider information for 1936
| Rank | 1148 |
| Score | 5 |
| Name | Primo CASTALDI |
| Country | Italy |
| Team | Individual |