Info
| Last name | Perret |
| First name | Theo |
| Nationality |  Switzerland |
| Date of birth | 06-07-1915 |
| Place of birth | Zurich |
| Passed away | 26-07-2008 |
| Age when passed away | 93 |
| Place of passing | Zurich |
Grand tours
| Year | Giro d'Italia | Tour de France | Vuelta a España |
|---|---|---|---|
| 1939 | - | 41st | - |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
 Tour de France (2.HC) | |||||||
| 41 |  Standings | ||||||
| 30-07 | Stage 18bTroyes - Paris (201.0km) | ||||||
| 21-05 | 7 | Meisterschaft von Zürich (1.1) | |||||