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 | |||||
|---|---|---|---|---|---|---|---|
| 15-06 | 5 | National Road Championships - Netherlands (CN) | |||||
| Ronde van Nederland (2.PRO) | |||||||
| 6 |  Standings | ||||||
| 08-06 | 8 | Stage 7Utrecht - Amsterdam (60.0km) | |||||
| 05-06 | 10 | Stage 4aTongeren - Geleen (53.0km) | |||||
| 04-06 | 4 | Stage 3Sint-Niklaas - Tongeren (229.0km) | |||||
| 03-06 | 9 | Stage 2Elten - Sint-Niklaas (208.0km) | |||||