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
| Date | Rank | Race | |
|---|---|---|---|
| Giro d'Italia (2.HC) | |||
| 62 |  Standings | ||
| 10-06 | Stage 20Sankt Moritz - Milano (172.0km) | ||
| 04-06 | 3 | Stage 15Brescia - Venezia (188.0km) | |
| 03-06 | 1 | Stage 14Bologna - Brescia (220.0km) | |