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 | |||||
|---|---|---|---|---|---|---|---|
| 25-10 | 1 | National Road Championships - Italy (CN) | |||||
| 02-08 | 1 | Giro del Veneto | |||||
| Giro d'Italia (2.HC) | |||||||
| 05-06 | 1 | Stage 11Forlì - Verona (318.0km) | |||||
| 03-06 | 1 | Stage 10Arezzo - Forlì (224.0km) | |||||
| 01-06 | 1 | Stage 9Sulmona - Arezzo (376.0km) | |||||
| 30-05 | 2 | Stage 8Benevento - Sulmona (275.0km) | |||||
| 28-05 | 1 | Stage 7Bari - Benevento (234.0km) | |||||
| 26-05 | 2 | Stage 6Napoli - Bari (314.0km) | |||||
| 22-05 | 1 | Stage 4Pisa - Roma (337.0km) | |||||
| 20-05 | 3 | Stage 3Arenzano - Pisa (315.0km) | |||||
| 18-05 | 1 | Stage 2Torino - Arenzano (279.0km) | |||||
| 29-03 | 1 | Milano-Sanremo (CDM) | |||||