All available race results Guido Di Marco
| Date | Race | Rank |
| Corsa XX Settembre | ||
| 19/09 | Stage 1 | 15 |
| 20/09 | General Classification | 10 |
Rider information for 1908
| Rank | 95 |
| Score | 127 |
| Name | Guido DI MARCO |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| Giro d'Italia | ||
| 15/05 | Stage 2 | 42 |
| 18/05 | Stage 3 | 37 |
| 20/05 | Stage 4 | 34 |
| 23/05 | Stage 5 | 38 |
| 25/05 | Stage 6 | 23 |
| 28/05 | Stage 7 | 39 |
| 30/05 | General Classification | 34 |
| 30/05 | Stage 8 | 32 |
Rider information for 1909
| Rank | 272 |
| Score | 56 |
| Name | Guido DI MARCO |
| Country | Italy |
| Team | Otav - Pirelli |