All available race results Jan Kuiper
| Date | Race | Rank |
| Tour de Luxembourg | ||
| 25/06 | General Classification | 21 |
Rider information for 1938
| Rank | 965 |
| Score | 6 |
| Name | Jan KUIPER |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Tour de Luxembourg | ||
| 25/06 | General Classification | 21 |
| Rank | 965 |
| Score | 6 |
| Name | Jan KUIPER |
| Country | Netherlands |
| Team | Individual |