All available race results Willem-Jan van Loenhout
| Date | Race | Rank |
| Tour of Ireland - Nissan Classic | ||
| 05/10 | General Classification | 66 |
Rider information for 1986
| Rank | 1567 |
| Score | 0 |
| Name | Willem-Jan VAN LOENHOUT |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Tour of Ireland - Nissan Classic | ||
| 02/10 | General Classification | 58 |
Rider information for 1987
| Rank | 1095 |
| Score | 5 |
| Name | Willem-Jan VAN LOENHOUT |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Tour de la Communauté Economique Européenne | ||
| 15/09 | Stage 8 | 3 |
| 18/09 | General Classification | 60 |
| Tour of Ireland - Nissan Classic | ||
| 02/10 | General Classification | 47 |
Rider information for 1988
| Rank | 920 |
| Score | 12 |
| Name | Willem-Jan VAN LOENHOUT |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 22/04 | Amstel Gold Race | 85 |
| Tour de la Communauté Economique Européenne | ||
| 14/09 | General Classification | 97 |
Rider information for 1989
| Rank | 901 |
| Score | 10 |
| Name | Willem-Jan VAN LOENHOUT |
| Country | Netherlands |
| Team | TVM - Van Schilt |
| Date | Race | Rank |
| Critérium International | ||
| 25/03 | General Classification | 98 |
| 06/04 | G.P. Pino Cerami | 22 |
| 29/07 | Wincanton Classic | 78 |
| Kellogg's Tour of Britain | ||
| 05/08 | General Classification | 61 |
| 11/08 | Clasica San Sebastian | 156 |
| 22/08 | Druivenkoers - Overijse | 24 |
Rider information for 1990
| Rank | 1040 |
| Score | 5 |
| Name | Willem-Jan VAN LOENHOUT |
| Country | Netherlands |
| Team | TVM - Yoko |
| Date | Race | Rank |
| 05/02 | G.P. de Bessèges | 20 |
| Etoile de Bessèges | ||
| 10/02 | General Classification | 47 |
| 02/03 | Trofeo Pantalica | 12 |
| 31/03 | Brabantse Pijl | 24 |
| 12/04 | G.P. Pino Cerami | 37 |
| 27/04 | Amstel Gold Race | 111 |
| 4 Jours de Dunkerque | ||
| 12/05 | General Classification | 30 |
| 15/05 | Binche - Tournai - Binche | 9 |
| 04/08 | Wincanton Classic | 71 |
| Kellogg's Tour of Britain | ||
| 10/08 | General Classification | 36 |
Rider information for 1991
| Rank | 823 |
| Score | 13 |
| Name | Willem-Jan VAN LOENHOUT |
| Country | Netherlands |
| Team | TVM - Sanyo |
| Date | Race | Rank |
| 10/04 | G.P. Pino Cerami | 31 |
| 17/04 | Nokere Koerse | 5 |
| 20/05 | Binche - Tournai - Binche | 18 |
| Hofbräu Cup | ||
| 31/05 | Stage 4 | 5 |
| Tour de Luxembourg | ||
| 13/06 | Stage 3a | 3 |
| 05/08 | G.P. Rik Van Steenbergen | 14 |
| Ronde van Nederland | ||
| 22/08 | General Classification | 49 |
Rider information for 1992
| Rank | 512 |
| Score | 56 |
| Name | Willem-Jan VAN LOENHOUT |
| Country | Netherlands |
| Team | Elro Snacks - Van de Velden - Tönissteiner |
| Date | Race | Rank |
| 28/03 | Brabantse Pijl | 25 |
| 13/04 | Paris - Camembert | 22 |
| 21/04 | Scheldeprijs - Schoten | 59 |
| 20/05 | G.P. de Wallonie | 38 |
| Tour de Luxembourg | ||
| 13/06 | General Classification | 35 |
| Ronde van Nederland | ||
| 20/08 | General Classification | 54 |
| 05/09 | G.P. Jef Scherens - Leuven | 21 |
| 12/09 | G.P. de Fourmies | 64 |
| 19/09 | G.P. d'Isbergues | 7 |
Rider information for 1993
| Rank | 656 |
| Score | 15 |
| Name | Willem-Jan VAN LOENHOUT |
| Country | Netherlands |
| Team | Elro Snacks - Van Griensven Automaten - Tönissteiner |