Info
| Last name | Leoni |
| First name | Adolfo |
| Nationality |  Italy |
| Date of birth | 13-01-1917 |
| Place of birth | Gualdo Tadino |
| Passed away | 19-10-1970 |
| Age when passed away | 53 |
| Place of passing | Massa |
Monuments
Grand tours
| Year | Giro d'Italia | Tour de France | Vuelta a España |
|---|---|---|---|
| 1949 | 4th | - | - |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 24-10 | 2 | Giro di Lombardia (HIS) | |||||
| Giro d'Italia (2.HC) | |||||||
| 31-05 | 2 | Stage 14Bologna - Udine (278.0km) | |||||
| 30-05 | 3 | Stage 13Firenze - Bologna (194.0km) | |||||
| 23-05 | 1 | Stage 8Pescara - Bari (347.0km) | |||||
| 20-05 | 1 | Stage 5Viareggio - Siena (165.0km) | |||||
| 18-05 | 3 | Stage 4Parma - Viareggio (266.0km) | |||||
| 25-04 | 8 |  Paris - Tours (CDM) | |||||