All available race results Jan Fockema
| Date | Race | Rank |
| 26/07 | Velp wegwedstrijd | 1 |
| 21/09 | Nederlands Kampioenschap | 3 |
Rider information for 1890
| Rank | 431 |
| Score | 22 |
| Name | Jan FOCKEMA |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 17/08 | Kampioenschap van het continent | 1 |
Rider information for 1891
| Rank | 969 |
| Score | 0 |
| Name | Jan FOCKEMA |
| Country | Netherlands |
| Team | Individual |