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 | |||||
|---|---|---|---|---|---|---|---|
| 06-08 | 27 |  UCI World Championship Gap (WC) | |||||
| Tour de Suisse (2.1) | |||||||
| 1 |  Standings | ||||||
| 23-06 | 2 | Stage 8bOlten - Olten (25.0km) | |||||
| 23-06 | Stage 8aPfäffikon - Olten (117.0km) | ||||||
| 22-06 | Stage 7Schaan - Pfäffikon (174.0km) | ||||||
| 21-06 | Stage 6Lugano - Schaan (234.0km) | ||||||
| 20-06 | 5 | Stage 5Mörel / Riederalp - Lugano (172.0km) | |||||
| 19-06 | Stage 4Gstaad - Mörel / Riederalp (216.0km) | ||||||
| 18-06 | Stage 3Solothurn - Gstaad (214.0km) | ||||||
 Giro d'Italia (2.HC) | |||||||
| 19 | Standings | ||||||
| 11-06 | Stage 20Arco - Milano (185.0km) | ||||||
| 31-05 | 8 | Stage 10Roma - Monte Argentario (166.0km) | |||||
| 07-05 | 5 | Meisterschaft von Zürich (1.1) | |||||
| 19-03 | 42 | Milano-Sanremo (CDM) | |||||
| 04-03 | 63 |  Omloop Het Volk (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 |