All available race results Ermanno Vallazza
| Date | Race | Rank |
| 10/05 | Tre Valli Varesine | 7 |
| 25/08 | World Championships Road Race (Amateurs) | 7 |
| 27/10 | Giro di Lombardia | 9 |
Rider information for 1923
| Rank | 126 |
| Score | 208 |
| Name | Ermanno VALLAZZA |
| Country | Italy |
| Team | Individual |
| Date | Race | Rank |
| 16/03 | Milano - Sanremo | 47 |
| 30/04 | Milano - Torino | 9 |
| Giro d'Italia | ||
| 10/05 | Stage 1 | 6 |
| 12/05 | Stage 2 | 22 |
| 14/05 | Stage 3 | 23 |
| 16/05 | Stage 4 | 11 |
| Tour de France | ||
| 22/06 | Stage 1 | 34 |
| 24/06 | Stage 2 | 30 |
| 26/06 | Stage 3 | 19 |
| 28/06 | Stage 4 | 40 |
| 30/06 | Stage 5 | 33 |
| 02/07 | Stage 6 | 11 |
| 04/07 | Stage 7 | 22 |
| 06/07 | Stage 8 | 5 |
| 08/07 | Stage 9 | 7 |
| 10/07 | Stage 10 | 9 |
| 12/07 | Stage 11 | 13 |
| 14/07 | Stage 12 | 22 |
| 16/07 | Stage 13 | 17 |
| 18/07 | Stage 14 | 25 |
| 20/07 | Stage 15 | 20 |
| General Classification | 13 | |
| 07/09 | Giro dell'Emilia | 9 |
| 01/11 | Milano - Modena | 7 |
| 09/11 | Campionato d'Italia su strada | 27 |
Rider information for 1924
| Rank | 38 |
| Score | 743 |
| Name | Ermanno VALLAZZA |
| Country | Italy |
| Team | Wolsit - Pirelli |
| Date | Race | Rank |
| 29/03 | Milano - Sanremo | 23 |
| 03/05 | Giro del Piemonte | 12 |
| Giro d'Italia | ||
| 16/05 | Stage 1 | 11 |
| 18/05 | Stage 2 | 16 |
| 20/05 | Stage 3 | 15 |
| 22/05 | Stage 4 | 10 |
| 24/05 | Stage 5 | 8 |
| 26/05 | Stage 6 | 13 |
| 28/05 | Stage 7 | 5 |
| 30/05 | Stage 8 | 6 |
| 01/06 | Stage 9 | 14 |
| 03/06 | Stage 10 | 10 |
| 04/06 | Stage 11 | 13 |
| 05/06 | Stage 12 | 9 |
| General Classification | 6 | |
| 06/09 | Giro dell'Emilia | 12 |
| 04/11 | Giro di Lombardia | 3 |
| 04/11 | Campionato d'Italia su strada | 9 |
Rider information for 1925
| Rank | 24 |
| Score | 1005 |
| Name | Ermanno VALLAZZA |
| Country | Italy |
| Team | Legnano - Pirelli |
| Date | Race | Rank |
| 21/03 | Milano - Sanremo | 6 |
| Giro d'Italia | ||
| 15/05 | Stage 1 | 10 |
| 17/05 | Stage 2 | 23 |
| 19/05 | Stage 3 | 15 |
| 21/05 | Stage 4 | 5 |
| 23/05 | Stage 5 | 14 |
| 25/05 | Stage 6 | 7 |
| 27/05 | Stage 7 | 3 |
| 29/05 | Stage 8 | 2 |
| 31/05 | Stage 9 | 7 |
| 02/06 | Stage 10 | 11 |
| 04/06 | Stage 11 | 4 |
| 06/06 | Stage 12 | 6 |
| General Classification | 4 | |
| 20/06 | Giro di Romagna | 13 |
| 22/08 | Coppa Placci | 1 |
| 10/10 | Milano - Modena | 16 |
| 14/10 | Giro del Piemonte | 8 |
| 31/10 | Giro di Lombardia | 3 |
Rider information for 1926
| Rank | 9 |
| Score | 1369 |
| Name | Ermanno VALLAZZA |
| Country | Italy |
| Team | Legnano - Pirelli |
| Date | Race | Rank |
| 03/04 | Milano - Sanremo | 22 |
| Giro d'Italia | ||
| 15/05 | Stage 1 | 9 |
| 17/05 | Stage 2 | 20 |
| 19/05 | Stage 3 | 8 |
| 20/05 | Stage 4 | 28 |
| 22/05 | Stage 5 | 9 |
| 23/05 | Stage 6 | 18 |
| 24/05 | Stage 7 | 6 |
| 26/05 | Stage 8 | 10 |
| 27/05 | Stage 9 | 8 |
| 29/05 | Stage 10 | 2 |
| 30/05 | Stage 11 | 36 |
| 01/06 | Stage 12 | 9 |
| 02/06 | Stage 13 | 3 |
| 03/06 | Stage 14 | 20 |
| 05/06 | Stage 15 | 5 |
| General Classification | 4 | |
| 10/07 | Giro di Toscana | 9 |
| 11/09 | Coppa Bernocchi | 8 |
| 16/10 | Milano - Modena | 2 |
Rider information for 1927
| Rank | 28 |
| Score | 861 |
| Name | Ermanno VALLAZZA |
| Country | Italy |
| Team | Legnano - Pirelli |
| Date | Race | Rank |
| 06/05 | Giro del Piemonte | 19 |
| Giro d'Italia | ||
| 14/05 | Stage 2 | 14 |
| 16/05 | Stage 3 | 15 |
| 18/05 | Stage 4 | 13 |
| 20/05 | Stage 5 | 35 |
| 29/07 | Giro del Veneto | 14 |
| 02/09 | Giro dell'Emilia | 20 |
| 09/09 | Giro di Romagna | 3 |
| 18/09 | Coppa Bernocchi | 6 |
| 03/11 | Giro di Lombardia | 20 |
Rider information for 1928
| Rank | 130 |
| Score | 200 |
| Name | Ermanno VALLAZZA |
| Country | Italy |
| Team | Bianchi - Pirelli |
| Date | Race | Rank |
| 07/04 | Giro del Piemonte | 16 |
| Giro d'Italia | ||
| 19/05 | Stage 1 | 13 |
| 21/05 | Stage 2 | 48 |
| 23/05 | Stage 3 | 60 |
| 25/05 | Stage 4 | 16 |
| 27/05 | Stage 5 | 25 |
| 29/05 | Stage 6 | 51 |
| 31/05 | Stage 7 | 38 |
| 02/06 | Stage 8 | 25 |
| 03/06 | Stage 9 | 31 |
| 04/06 | Stage 10 | 39 |
| 05/06 | Stage 11 | 12 |
| 07/06 | Stage 12 | 15 |
| 08/06 | Stage 13 | 15 |
| 09/06 | Stage 14 | 10 |
| General Classification | 23 | |
| 20/09 | Corsa XX Settembre | 7 |
| 13/10 | Campionato d'Italia su strada | 10 |
| 26/10 | Giro di Lombardia | 15 |
Rider information for 1929
| Rank | 61 |
| Score | 551 |
| Name | Ermanno VALLAZZA |
| Country | Italy |
| Team | Bianchi - Pirelli |
| Date | Race | Rank |
| Giro d'Italia | ||
| 10/05 | Stage 1 | 21 |
| 11/05 | Stage 2 | 19 |
| 15/05 | Stage 4 | 62 |
Rider information for 1931
| Rank | 764 |
| Score | 9 |
| Name | Ermanno VALLAZZA |
| Country | Italy |
| Team | Individual |