Info
| Last name | Pfenninger |
| First name | Louis |
| Nationality |  Switzerland |
| Date of birth | 01-11-1944 |
| Age | 81 |
| Place of birth | Bülach |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 10-10 | 21 |  Giro di Lombardia (CDM) | |||||
| 16-08 | 35 |  UCI World Championship Leicester (WC) | |||||
| Tour de Suisse (2.1) | |||||||
| 2 |  Standings | ||||||
| 20-06 | Stage 9Sarmenstorf - Zürich (182.0km) | ||||||
| Giro d'Italia (2.HC) | |||||||
| 52 | Standings | ||||||
| 07-06 | Stage 20Dobbiaco - Bolzano (155.0km) | ||||||
| Tour de Romandie (2.1) | |||||||
| 16 | Standings | ||||||
| 10-05 | Stage 4bLausanne - Lausanne (43.0km) | ||||||
| 04-05 | 27 | Meisterschaft von Zürich (1.1) | |||||
Teams
| Year | Team |
|---|---|
| 1975 | Zonca - Santini |
| 1974 | Willner - Birr-Brugg |
| 1974 | Zonca |
| 1973 | Zonca |
| 1972 |  Rokado |
| 1972 | Zonca |
| 1971 | GBC - Zimba |
| 1970 | GBC - Zimba |
| 1969 | Zimba - Mondia |
| 1969 | GBC - Zimba |
| 1968 | Zimba - Mondia |
| 1968 | GBC |
| 1967 | Tigra - Grammont - de Gribaldy |
| 1967 | Zwitserland |
| 1966 | Tigra - Grammont - de Gribaldy |
| 1965 | Springoil - Fuchs / Filotex |
Victories
| This year | 0 |
| Total | 5 |