1989 Holland Iron Man - NBBF
| Overall Winner Achmed Ammor | |
HeavyWeight | |
| 1 | Marwan Wiemer |
| 2 | Henk Wagenaar |
| 3 | Ron Van Der Weyden |
| 4 | Remco Stekelenburg |
| 5 | Marco Boermans |
Light-HeavyWeight | |
| 1 | Achmed Ammor |
| 2 | Wout Van Der Horst |
| 3 | Willy Weening |
| 4 | Harry DeJonge |
| 5 | Gordon Hunsel |
MiddleWeight | |
| 1 | Huub Mammen |
| 2 | Jan Scheffer |
| 3 | Johan Wilderom |
| 4 | Wim Looyen |
| 5 | Ab Assenaar |
LightWeight | |
| 1 | Bert Suikerbuik |
| 2 | Pierre Van Bree |
| 3 | Emiel DeJong |
| 5 | Men Wah Chung |
BantamWeight | |
| 1 | John Schilder |
Junior | |
| 1 | Dennis Brinkman |
| 2 | Alex Jansen |
| 3 | Chico Martinez |