Info
| Last name | Hellemons |
| First name | Janus |
| Nationality |  Netherlands |
| Date of birth | 20-07-1912 |
| Place of birth | Hoeven |
| Passed away | 14-01-1999 |
| Age when passed away | 86 |
| Place of passing | Bleiswijk |
Grand tours
| Year | Giro d'Italia | Tour de France | Vuelta a España |
|---|---|---|---|
| 1939 | - | 46th | - |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
 Tour de France (2.HC) | |||||||
| 46 |  Standings | ||||||
| 30-07 | Stage 18bTroyes - Paris (201.0km) | ||||||
| 12-06 | 1 | National Road Championships - Netherlands (CN) | |||||