Info
| Last name | Grioni |
| First name | Giacomo |
| Nationality |  Italy |
| Date of birth | 27-08-1934 |
| Age | 91 |
| Place of birth | Milano |
Monuments
| Year | Milano - San Remo | Tour of Flanders | Paris - Roubaix | Liège-Bastogne-Liège | Il Lombardia |
|---|---|---|---|---|---|
| 1959 | 35th | - | - | - | - |
| Date | Rank | Race | |
|---|---|---|---|
| Giro d'Italia (2.HC) | |||
| 20-05 | 8 | Stage 5Arezzo - Roma (243.0km) | |
| 19-03 | 35 | Milano-Sanremo (CDM) | |