All available race results Thorwald Frederik Dudok van Heel
| Date | Race | Rank |
| 18/09 | 's-Hertogenbosch - Nieuwkuijk - Haaren - Sint-Oedenrode - 's-Hertogenbosch | 4 |
Rider information for 1887
| Rank | 323 |
| Score | 19 |
| Name | Thorwald Frederik DUDOK VAN HEEL |
| Country | Netherlands |
| Team | Individual |