All available race results Adeodato Mazantini
| Date | Race | Rank |
| 19/03 | Milano - Sanremo | 26 |
| 09/04 | Giro di Toscana | 21 |
| Giro d'Italia | ||
| 28/04 | Stage 1 | 9 |
| 29/04 | Stage 2 | 52 |
| 30/04 | Stage 3 | 47 |
| 01/05 | Stage 4 | 73 |
| 02/05 | Stage 5 | 64 |
| 04/05 | Stage 6a | 82 |
| 04/05 | Stage 6b | 59 |
| 05/05 | Stage 7 | 74 |
Rider information for 1939
| Rank | 267 |
| Score | 134 |
| Name | Adeodato MAZANTINI |
| Country | Italy |
| Team | Frejus |