Info
| Last name | Janssen |
| First name | Sjefke |
| Nationality |  Netherlands |
| Date of birth | 28-10-1919 |
| Place of birth | Elsloo |
| Passed away | 03-12-2014 |
| Age when passed away | 95 |
| Place of passing | Elsloo |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 03-08 | 3 |  UCI World Championship Reims (CM) | |||||
| Tour de France (2.HC) | |||||||
| 32 |  Standings | ||||||
| 20-07 | Stage 21Caen - Paris (257.0km) | ||||||
| 22-06 | 1 | National Road Championships - Netherlands (CN) | |||||