All races
All races where Valenza was either departure or arrival city, or a location on the route.
| # | Date | Race |
|---|---|---|
| 1 | 2003-10-16 | Giro del Piemonte |
| 2 | 1990-05-28 | Giro d'Italia | Stage 11 |
| 3 | 1974-06-02 | Giro d'Italia | Stage 16 |
| 4 | 1974-05-31 | Giro d'Italia | Stage 15 |