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 | |||||
|---|---|---|---|---|---|---|---|
| 19-09 | 2 | National Road Championships - Italy (CN) | |||||
| 08-08 | 1 | Giro del Veneto | |||||
| 20-06 | 1 | Giro di Romagna (1.1) | |||||
| Giro d'Italia (2.HC) | |||||||
| 25-05 | 2 | Stage 6Napoli - Foggia (262.0km) | |||||
| 23-05 | 1 | Stage 5Roma - Napoli (232.0km) | |||||
| 21-05 | 1 | Stage 4Firenze - Roma (287.0km) | |||||
| 17-05 | 2 | Stage 2Torino - Genova (250.0km) | |||||
| 02-05 | 3 | Giro del Piemonte (1.2) | |||||
| 21-03 | 1 | Milano-Sanremo (CDM) | |||||