Info
| Last name | Girardengo |
| First name | Constante |
| Nationality |  Italy |
| Date of birth | 18-03-1893 |
| Place of birth | Novi Ligure |
| Passed away | 09-02-1978 |
| Age when passed away | 84 |
| Place of passing | Cassano Spinola |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 10-11 | 1 | Giro di Lombardia (HIS) | |||||
| 16-10 | 1 | National Road Championships - Italy (CN) | |||||
| Giro d'Italia (2.HC) | |||||||
| 31-05 | 1 | Stage 4Perugia - Chieti (328.0km) | |||||
| 29-05 | 1 | Stage 3Bologna - Perugia (321.0km) | |||||
| 27-05 | 1 | Stage 2Merano - Bologna (348.0km) | |||||
| 25-05 | 1 | Stage 1Milano - Merano (333.0km) | |||||
| 10-04 | 4 | Milano - Torino (1.1) | |||||
| 03-04 | 1 | Milano-Sanremo (CDM) | |||||