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 | |||||
|---|---|---|---|---|---|---|---|
| Tour de Suisse (2.1) | |||||||
| 20-06 | 6 | Stage 9aFrauenfeld - Affoltern-am-Albis (105.0km) | |||||
| 20-06 | 4 | Stage 9bAffoltern-am-Albis - Affoltern-am-Albis (20.0km) | |||||
| 19-06 | 3 | Stage 8Laax - Frauenfeld (174.0km) | |||||
| 17-06 | 5 | Stage 6Lugano - Silvaplana (152.0km) | |||||
 Giro d'Italia (2.HC) | |||||||
| 19 |  Standings | ||||||
| 07-06 | Stage 21Alleghe - Passo dello Stelvio (186.0km) | ||||||
| 01-06 | 5 | Stage 15Forte dei Marmi - Arenzano (203.0km) | |||||
| 29-05 | 8 | Stage 13Forte dei Marmi - Forte dei Marmi (38.0km) | |||||
| 27-05 | 10 | Stage 11Roma - Orvieto (158.0km) | |||||
| 25-05 | 7 | Stage 9Sorrento - Frosinone (225.0km) | |||||
| Tour de Romandie (2.1) | |||||||
| 22 | Standings | ||||||
| 11-05 | Stage 5bLancy - Lancy (25.0km) | ||||||
| 04-05 | 18 | 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 |