All available race results Siem Berkhout
No results available in season 1970.
Rider information for 1970
| Rank | 897 |
| Score | 3 |
| Name | Siem BERKHOUT |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 11/03 | Ster van Zwolle | 6 |
| Wyścig Dookoła Polski / Tour of Poland | ||
| General Classification | 60 |
Rider information for 1972
| Rank | 1177 |
| Score | 0 |
| Name | Siem BERKHOUT |
| Country | Netherlands |
| Team | Individual |