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 | |||||
|---|---|---|---|---|---|---|---|
| 21-10 | 1 | National Road Championships - Italy (CN) | |||||
| 29-07 | 1 | Giro del Veneto | |||||
| Giro d'Italia (2.HC) | |||||||
| 1 |  Standings | ||||||
| 10-06 | 1 | Stage 10Mantova - Milano (341.0km) | |||||
| 08-06 | 2 | Stage 9Trieste - Mantova (357.0km) | |||||
| 06-06 | 1 | Stage 8Bologna - Trieste (362.0km) | |||||
| 04-06 | 1 | Stage 7Chieti - Bologna (383.0km) | |||||
| 02-06 | 1 | Stage 6Napoli - Chieti (283.0km) | |||||
| 31-05 | 1 | Stage 5Roma - Napoli (281.0km) | |||||
| 29-05 | 1 | Stage 4Firenze - Roma (288.0km) | |||||
| 27-05 | 1 | Stage 3Genova - Firenze (265.0km) | |||||
| 23-05 | 1 | Stage 1Milano - Torino (328.0km) | |||||
| 15-04 | 1 | Milano - Torino (1.1) | |||||
| 25-03 | 1 | Milano-Sanremo (CDM) | |||||