All available race results Koster
| Date | Race | Rank |
| 15/05 | Utrecht - Arnhem - Utrecht | 4 |
Rider information for 1894
| Rank | 370 |
| Score | 19 |
| Name | KOSTER |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 15/05 | Utrecht - Arnhem - Utrecht | 4 |
| Rank | 370 |
| Score | 19 |
| Name | KOSTER |
| Country | Netherlands |
| Team | Individual |