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 |
|---|---|---|
| 20-08 | DNF |  UCI World Championship Moorslede (CM) |
| 18-06 | 3 | National Road Championships - Netherlands (CN) |