All available race results Henk Boom
| Date | Race | Rank |
| 12/03 | Ster van Zwolle | 8 |
| Wyścig Pokoju / Závod Míru / Friedensfahrt | ||
| 21/05 | General Classification | 69 |
Rider information for 1977
| Rank | 1209 |
| Score | 0 |
| Name | Henk BOOM |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 12/03 | Ster van Zwolle | 8 |
| Wyścig Pokoju / Závod Míru / Friedensfahrt | ||
| 21/05 | General Classification | 69 |
| Rank | 1209 |
| Score | 0 |
| Name | Henk BOOM |
| Country | Netherlands |
| Team | Individual |