All available race results Sijbolt Greidanus
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 07/07 | Stage 1 | 6 |
Rider information for 1979
| Rank | 886 |
| Score | 3 |
| Name | Sijbolt GREIDANUS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 07/07 | Stage 1 | 6 |
| Rank | 886 |
| Score | 3 |
| Name | Sijbolt GREIDANUS |
| Country | Netherlands |
| Team | Individual |