All available race results Willem-Sytse Sipkema
| Date | Race | Rank |
| 06/05 | Omloop van de Alblasserwaard | 12 |
Rider information for 2006
| Rank | 4393 |
| Score | 0 |
| Name | Willem-Sytse SIPKEMA |
| Country | Netherlands |
| Team | Elite without contract |
| Date | Race | Rank |
| 06/05 | Omloop van de Alblasserwaard | 12 |
| Rank | 4393 |
| Score | 0 |
| Name | Willem-Sytse SIPKEMA |
| Country | Netherlands |
| Team | Elite without contract |