All available race results Pietro Tarchini
| Date | Race | Rank |
| 03/06 | Meisterschaft von Zürich | 6 |
| 24/06 | Zürich - Lausanne | 2 |
| 01/07 | Championnat de Suisse sur route | 5 |
| 15/07 | Tour du Lac Léman | 11 |
| 21/07 | Zürich - Davos | 8 |
| Volta Ciclista a Catalunya | ||
| 02/09 | Stage 1b | 5 |
| 03/09 | Stage 2 | 2 |
| 04/09 | Stage 3 | 5 |
| 05/09 | Stage 4 | 2 |
| 07/09 | Stage 5b | 2 |
| 08/09 | Stage 6 | 3 |
| 11/09 | Stage 9 | 9 |
| 14/09 | Stage 11a | 9 |
Rider information for 1945
| Rank | 47 |
| Score | 342 |
| Name | Pietro TARCHINI |
| Country | Switzerland |
| Team | Allegro |
| Date | Race | Rank |
| 3-Seen-Rundfahrt Murten | ||
| 27/04 | Stage 1 | 14 |
| 27/04 | Stage 2 | 10 |
| 27/04 | General Classification | 13 |
| 05/05 | Meisterschaft von Zürich | 4 |
| 19/05 | G.P. du Locle | 11 |
| 26/05 | Vier Kantone-Rundfahrt | 8 |
| 15/06 | Zürich - Lausanne | 4 |
| 30/06 | Championnat de Suisse sur route | 4 |
| Tour de Suisse | ||
| 20/07 | General Classification | 18 |
| 18/08 | Tour du Lac Léman | 5 |
| Volta Ciclista a Catalunya | ||
| 08/09 | Stage 1a | 2 |
| 13/09 | Stage 6 | 1 |
| 15/09 | Stage 8 | 1 |
| 15/09 | General Classification | 19 |
Rider information for 1946
| Rank | 70 |
| Score | 535 |
| Name | Pietro TARCHINI |
| Country | Switzerland |
| Team | Allegro |
| Date | Race | Rank |
| 19/03 | Milano - Sanremo | 15 |
| 23/03 | Zürich - Lausanne | 2 |
| Tour de Romandie | ||
| 15/05 | Stage 1b | 4 |
| 16/05 | Stage 2 | 7 |
| 17/05 | Stage 3a | 9 |
| 18/05 | Stage 4a | 10 |
| 18/05 | Stage 4 | 4 |
| 18/05 | General Classification | 16 |
| 31/05 | Mémorial Max Bürgi | 5 |
| 08/06 | Vier Kantone-Rundfahrt | 1 |
| 22/06 | Championnat de Suisse sur route | 3 |
| Tour de France | ||
| 25/06 | Stage 1 | 73 |
| 26/06 | Stage 2 | 38 |
| 27/06 | Stage 3 | 71 |
| 28/06 | Stage 4 | 57 |
| 29/06 | Stage 5 | 59 |
| 30/06 | Stage 6 | 68 |
| 02/07 | Stage 7 | 66 |
| 03/07 | Stage 8 | 52 |
| 05/07 | Stage 9 | 51 |
| 06/07 | Stage 10 | 58 |
| 07/07 | Stage 11 | 47 |
| 08/07 | Stage 12 | 56 |
| 10/07 | Stage 13 | 8 |
| 11/07 | Stage 14 | 57 |
| 13/07 | Stage 15 | 43 |
| 14/07 | Stage 16 | 9 |
| 15/07 | Stage 17 | 3 |
| 16/07 | Stage 18 | 1 |
| 17/07 | Stage 19 | 44 |
| 18/07 | Stage 20 | 20 |
| 19/07 | Stage 21 | 53 |
| General Classification | 53 |
Rider information for 1947
| Rank | 39 |
| Score | 946 |
| Name | Pietro TARCHINI |
| Country | Switzerland |
| Team | Allegro |
| Date | Race | Rank |
| 19/03 | Milano - Sanremo | 66 |
| 11/04 | Grosser Mustermesse-Preis | 6 |
| 17/04 | Zürich - Lausanne | 20 |
| Ronde van Nederland | ||
| 27/04 | Stage 4 | 8 |
| 29/04 | Stage 6b | 3 |
| General Classification | 16 | |
| Tour de Romandie | ||
| 06/05 | Stage 1b | 10 |
| 07/05 | Stage 2 | 6 |
| 09/05 | Stage 4b | 3 |
| 09/05 | General Classification | 13 |
| 30/05 | Vier Kantone-Rundfahrt | 1 |
| Tour de Luxembourg | ||
| 06/06 | Stage 4b | 1 |
| 06/06 | General Classification | 21 |
| 03/10 | G.P. Suisse | 14 |
Rider information for 1948
| Rank | 96 |
| Score | 544 |
| Name | Pietro TARCHINI |
| Country | Switzerland |
| Team | Allegro |
| Date | Race | Rank |
| 19/03 | Milano - Sanremo | 108 |
| 18/04 | Giro del Ticino | 13 |
| 08/05 | Meisterschaft von Zürich | 7 |
| Tour de Romandie | ||
| 15/05 | General Classification | 22 |
| 19/06 | Championnat de Suisse sur route | 12 |
| 26/06 | Vier Kantone-Rundfahrt | 7 |
| 27/08 | Tour du Lac Léman | 6 |
| 03/09 | Zürich - Lausanne | 15 |
Rider information for 1949
| Rank | 158 |
| Score | 318 |
| Name | Pietro TARCHINI |
| Country | Switzerland |
| Team | Stucchi |