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) | |||||||
| 43 |  Standings | ||||||
| 20-08 | Stage 5bGoes - Goes (21.0km) | ||||||
 Vuelta a España (2.HC) | |||||||
| 62 | Standings | ||||||
| 14-05 | Stage 19Amurrio - San Sebastián (84.0km) | ||||||
Teams
Victories
| This year | 0 |
| Total | 0 |