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 | |||||
|---|---|---|---|---|---|---|---|
| 04-10 | 1 | National Road Championships - Italy (CN) | |||||
| Giro d'Italia (2.HC) | |||||||
| 6 |  Standings | ||||||
| 22-05 | Stage 9Rovigo - Milano (321.0km) | ||||||
| 16-05 | 1 | Stage 6Bari - Campobasso (256.0km) | |||||
| 13-04 | 11 | Milano - Torino (1.1) | |||||