Info
| Last name | Groen |
| First name | Roelof |
| Nationality |  Netherlands |
| Date of birth | 17-08-1952 |
| Age | 73 |
| Place of birth | Giethoorn |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| Ronde van Nederland (2.3) | |||||||
| 16-08 | 4 | Stage 3s-Heerenberg - Sittard-Geleen (223.0km) | |||||
Teams
Victories
| This year | 0 |
| Total | 0 |