All available race results Roberto Mazzieri
| Date | Race | Rank |
| Giro del Lazio | ||
| 09/04 | General Classification | 32 |
| 15/10 | Giro dell'Umbria | 11 |
Rider information for 1933
| Rank | 1124 |
| Score | 2 |
| Name | Roberto MAZZIERI |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| Giro del Lazio | ||
| 09/04 | General Classification | 32 |
| 15/10 | Giro dell'Umbria | 11 |
| Rank | 1124 |
| Score | 2 |
| Name | Roberto MAZZIERI |
| Country | Italy |
| Team | Individual |