Info
| Last name | Lahaye |
| First name | Jef |
| Nationality |  Netherlands |
| Date of birth | 02-12-1932 |
| Place of birth | Bunde |
| Passed away | 12-04-1990 |
| Age when passed away | 57 |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
 Tour de France (2.HC) | |||||||
| 06-07 | DNF | Stage 11Torino - Juan-les-Pins (225.0km) | |||||
| 04-07 | 81 | Stage 10Grenoble - Torino (250.0km) | |||||
| 03-07 | 53 | Stage 9Saint-Étienne - Grenoble (230.0km) | |||||
| 02-07 | 88 | Stage 8Châlon-sur-Saône - Saint-Étienne (240.0km) | |||||
| 01-07 | 92 | Stage 7Belfort - Châlon-sur-Saône (214.0km) | |||||
| 30-06 | 90 | Stage 6Strasbourg - Belfort (180.0km) | |||||
| 29-06 | 61 | Stage 5Metz - Strasbourg (221.0km) | |||||
| 28-06 | 81 | Stage 4Charleroi - Metz (237.0km) | |||||
| 27-06 | 88 | Stage 3Roubaix - Charleroi (197.0km) | |||||
| 26-06 | 49 | Stage 2Cergy-Pontoise - Roubaix (230.0km) | |||||
| 25-06 | 74 | Stage 1aRouen - Versailles (136.0km) | |||||
| 25-06 | 127 | Stage 1bVersailles - Versailles (28.0km) | |||||
| Dauphine Libere (2.1) | |||||||
| 20 |  Standings | ||||||
| 04-06 | Stage 7Briançon - Grenoble (214.0km) | ||||||
 Vuelta a España (2.HC) | |||||||
| 23 | Standings | ||||||
| 14-05 | Stage 16Bilbao - Bilbao (159.0km) | ||||||
Teams
| Year | Team |
|---|---|
| 1961 | Netherlands |
| 1961 | Nederland |
| 1961 |  Groene Leeuw - SAS - Sinalco |
| 1960 | Eroba - Vredestein |
| 1959 | Eroba - Vredestein |
| 1958 | Netherlands/Luxembourg |
| 1958 | Eroba - Vredestein |
| 1957 | Eroba - Vredestein |
| 1956 | Eroba |
| 1956 | Netherlands |
Victories
| This year | 0 |
| Total | 1 |