All available race results Primo Guasco
| Date | Race | Rank |
| Giro d'Italia | ||
| 30/05 | Stage 11 | 45 |
| 05/06 | Stage 15 | 43 |
| General Classification | 56 |
Rider information for 1927
| Rank | 458 |
| Score | 42 |
| Name | Primo GUASCO |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| 06/05 | Giro del Piemonte | 15 |
| Giro d'Italia | ||
| 16/05 | Stage 3 | 40 |
| 22/05 | Stage 6 | 32 |
| 26/05 | Stage 8 | 38 |
| 28/05 | Stage 9 | 32 |
| 30/05 | Stage 10 | 28 |
| 01/06 | Stage 11 | 31 |
| 03/06 | General Classification | 38 |
| 29/07 | Giro del Veneto | 17 |
Rider information for 1928
| Rank | 221 |
| Score | 120 |
| Name | Primo GUASCO |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| 07/04 | Giro del Piemonte | 28 |
| Giro d'Italia | ||
| 19/05 | Stage 1 | 55 |
| 21/05 | Stage 2 | 51 |
| 23/05 | Stage 3 | 8 |
| 25/05 | Stage 4 | 54 |
| 27/05 | Stage 5 | 48 |
| 29/05 | Stage 6 | 22 |
| 31/05 | Stage 7 | 34 |
| 02/06 | Stage 8 | 28 |
| 03/06 | Stage 9 | 22 |
| 04/06 | Stage 10 | 35 |
| 05/06 | Stage 11 | 12 |
| 07/06 | Stage 12 | 36 |
| 08/06 | Stage 13 | 14 |
| 09/06 | Stage 14 | 10 |
| General Classification | 31 | |
| 13/10 | Campionato d'Italia su strada | 24 |
Rider information for 1929
| Rank | 142 |
| Score | 191 |
| Name | Primo GUASCO |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| 26/03 | Milano - Sanremo | 28 |
| 15/10 | Giro di Lombardia | 50 |
Rider information for 1933
| Rank | 480 |
| Score | 34 |
| Name | Primo GUASCO |
| Country | Italy |
| Team | Individual |