All available race results Gert-Jan Theunisse
| Date | Race | Rank |
| 05/03 | Ster van Zwolle | 8 |
| Tour de Luxembourg | ||
| 12/06 | General Classification | 25 |
| Tour de l'Avenir | ||
| 15/09 | Stage 8b | 25 |
| 16/09 | Stage 9 | 16 |
| 17/09 | Stage 10 | 10 |
| 19/09 | Stage 12 | 14 |
| 19/09 | General Classification | 67 |
Rider information for 1983
| Rank | 669 |
| Score | 14 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Etoile de Bessèges | ||
| 11/02 | Stage 2a | 12 |
| 11/02 | Stage 2b | 10 |
| 12/02 | Stage 3 | 9 |
| 12/02 | General Classification | 10 |
| 04/03 | Kuurne - Brussel - Kuurne | 8 |
| Setmana Catalana | ||
| 23/03 | General Classification | 16 |
| 25/03 | Brabantse Pijl | 16 |
| 04/04 | Gent - Wevelgem | 54 |
| 01/05 | Rund um den Henninger Turm | 17 |
| 06/05 | Meisterschaft von Zürich | 6 |
| 31/07 | Scheldeprijs - Schoten | 30 |
| Ronde van Nederland | ||
| 25/08 | General Classification | 3 |
| 19/09 | Paris - Bruxelles | 33 |
| 07/10 | Paris - Tours | 46 |
Rider information for 1984
| Rank | 191 |
| Score | 301 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | Panasonic |
| Date | Race | Rank |
| Tirreno - Adriatico | ||
| 13/03 | General Classification | 16 |
| 16/03 | Milano - Sanremo | 113 |
| 05/05 | Meisterschaft von Zürich | 36 |
| Dauphiné Libéré | ||
| 28/05 | Stage 1b | 10 |
| 03/06 | Stage 7a | 30 |
| 03/06 | General Classification | 38 |
| Tour de Suisse | ||
| 20/06 | General Classification | 60 |
Rider information for 1985
| Rank | 305 |
| Score | 135 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | Panasonic |
| Date | Race | Rank |
| Paris - Nice | ||
| 03/03 | Stage 1 | 28 |
| Setmana Catalana | ||
| 21/03 | General Classification | 51 |
| 23/03 | Brabantse Pijl | 6 |
| 16/04 | La Flèche Wallonne | 55 |
| 20/04 | Liège - Bastogne - Liège | 32 |
| Vuelta a España | ||
| 22/04 | Prologue | 96 |
| 23/04 | Stage 1 | 115 |
| 24/04 | Stage 2 | 107 |
| 29/04 | Stage 7 | 35 |
| 30/04 | Stage 8 | 98 |
| 01/05 | Stage 9 | 61 |
| 02/05 | Stage 10 | 28 |
| 06/05 | Stage 14 | 7 |
| General Classification | 79 | |
| Ronde van Nederland | ||
| 19/08 | Stage 1 | 3 |
| 21/08 | Stage 3 | 3 |
| 23/08 | General Classification | 5 |
| 14/09 | G.P. de Fourmies | 2 |
| 21/09 | G.P. d'Isbergues | 3 |
| 12/10 | Paris - Tours | 29 |
| 18/10 | Giro di Lombardia | 28 |
Rider information for 1986
| Rank | 147 |
| Score | 421 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | Panasonic |
Rider information for 1987
| Rank | 81 |
| Score | 705 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | PDM - Ultima - Concorde |
| Date | Race | Rank |
| Tirreno - Adriatico | ||
| 13/03 | Stage 3 | 7 |
| 14/03 | Stage 4 | 2 |
| 15/03 | Stage 5 | 15 |
| 16/03 | General Classification | 18 |
| 19/03 | Milano - Sanremo | 21 |
| Driedaagse De Panne | ||
| 31/03 | General Classification | 81 |
| 03/04 | Ronde van Vlaanderen | 9 |
| Vuelta al Pais Vasco | ||
| 05/04 | Stage 2 | 5 |
| 07/04 | Stage 4 | 6 |
| General Classification | 39 | |
| 13/04 | La Flèche Wallonne | 17 |
| 17/04 | Liège - Bastogne - Liège | 16 |
| 23/04 | Amstel Gold Race | 20 |
| Tour de Suisse | ||
| 14/06 | Stage 1 | 5 |
| 21/06 | Stage 8 | 4 |
| General Classification | 21 | |
| Tour de France | ||
| 04/07 | Stage 1 | 47 |
| 05/07 | Stage 3 | 25 |
| 06/07 | Stage 4 | 26 |
| 07/07 | Stage 5 | 50 |
| 08/07 | Stage 6 | 118 |
| 09/07 | Stage 7 | 23 |
| 10/07 | Stage 8 | 35 |
| 11/07 | Stage 9 | 17 |
| 12/07 | Stage 10 | 36 |
| 13/07 | Stage 11 | 17 |
| 14/07 | Stage 12 | 2 |
| 15/07 | Stage 13 | 12 |
| 17/07 | Stage 14 | 16 |
| 18/07 | Stage 15 | 4 |
| 19/07 | Stage 16 | 8 |
| 19/07 | Stage 17 | 14 |
| 20/07 | Stage 18 | 6 |
| 21/07 | Stage 19 | 4 |
| 22/07 | Stage 20 | 18 |
| 23/07 | Stage 21 | 17 |
| 24/07 | Stage 22 | 31 |
| General Classification | 11 | |
| 13/08 | Clasica San Sebastian | 1 |
| 21/08 | Meisterschaft von Zürich | 26 |
| 28/08 | World Championships Road Race | 19 |
| 10/09 | Trofeo Baracchi | 9 |
Rider information for 1988
| Rank | 10 |
| Score | 1869 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | PDM - Ultima - Concorde |
| Date | Race | Rank |
| 18/03 | Milano - Sanremo | 11 |
| 12/04 | La Flèche Wallonne | 19 |
| 16/04 | Liège - Bastogne - Liège | 15 |
| 22/04 | Amstel Gold Race | 31 |
| 01/05 | Rund um den Henninger Turm | 27 |
| Tour de France | ||
| 01/07 | Prologue | 21 |
| 02/07 | Stage 1 | 27 |
| 03/07 | Stage 3 | 14 |
| 04/07 | Stage 4 | 22 |
| 06/07 | Stage 5 | 63 |
| 07/07 | Stage 6 | 20 |
| 08/07 | Stage 7 | 21 |
| 09/07 | Stage 8 | 12 |
| 10/07 | Stage 9 | 6 |
| 11/07 | Stage 10 | 5 |
| 12/07 | Stage 11 | 22 |
| 13/07 | Stage 12 | 50 |
| 14/07 | Stage 13 | 23 |
| 15/07 | Stage 14 | 16 |
| 16/07 | Stage 15 | 8 |
| 19/07 | Stage 16 | 7 |
| 20/07 | Stage 17 | 1 |
| 21/07 | Stage 18 | 3 |
| 22/07 | Stage 19 | 4 |
| 23/07 | Stage 20 | 20 |
| 24/07 | Stage 21 | 60 |
| General Classification | 4 | |
| 12/08 | Clasica San Sebastian | 7 |
| Volta Ciclista a Catalunya | ||
| 02/09 | Stage 1 | 4 |
| 03/09 | Stage 2a | 15 |
| 04/09 | Stage 3 | 12 |
| 05/09 | Stage 4 | 6 |
| 01/10 | G.P. Baden-Baden | 6 |
Rider information for 1989
| Rank | 17 |
| Score | 1474 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | PDM - Ultima - Concorde |
| Date | Race | Rank |
| Tirreno - Adriatico | ||
| 14/03 | General Classification | 17 |
| 11/04 | La Flèche Wallonne | 3 |
| 15/04 | Liège - Bastogne - Liège | 8 |
| 21/04 | Amstel Gold Race | 27 |
| 01/05 | Rund um den Henninger Turm | 59 |
| Giro d'Italia | ||
| 23/05 | Stage 5 | 10 |
| General Classification | 15 | |
| Vuelta a Andalucia - Ruta del Sol | ||
| General Classification | 18 |
Rider information for 1990
| Rank | 121 |
| Score | 510 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | Panasonic - Sportlife |
| Date | Race | Rank |
| Tour de Luxembourg | ||
| 12/06 | Stage 1 | 1 |
| 16/06 | General Classification | 1 |
| G.P. du Midi-Libre | ||
| 21/06 | Stage 3b | 9 |
| 23/06 | Stage 5 | 7 |
| Vuelta a los Valles Mineros | ||
| 26/06 | Stage 2 | 2 |
| 27/06 | Stage 3 | 12 |
| 28/06 | Stage 4 | 8 |
| 28/06 | General Classification | 1 |
| Tour de France | ||
| 06/07 | Prologue | 127 |
| 07/07 | Stage 1 | 67 |
| 08/07 | Stage 3 | 34 |
| 09/07 | Stage 4 | 31 |
| 10/07 | Stage 5 | 56 |
| 11/07 | Stage 6 | 23 |
| 12/07 | Stage 7 | 47 |
| 13/07 | Stage 8 | 27 |
| 14/07 | Stage 9 | 46 |
| 15/07 | Stage 10 | 50 |
| 15/07 | Stage 11 | 19 |
| 18/07 | Stage 12 | 18 |
| 19/07 | Stage 13 | 21 |
| 20/07 | Stage 14 | 56 |
| 21/07 | Stage 15 | 62 |
| 22/07 | Stage 16 | 39 |
| 23/07 | Stage 17 | 13 |
| 24/07 | Stage 18 | 5 |
| 25/07 | Stage 19 | 13 |
| 26/07 | Stage 20 | 59 |
| 27/07 | Stage 21 | 23 |
| 28/07 | Stage 22 | 26 |
| General Classification | 13 | |
| 18/08 | Meisterschaft von Zürich | 23 |
| 25/08 | World Championships Road Race | 18 |
| Volta Ciclista a Catalunya | ||
| 08/09 | Stage 3a | 3 |
| 08/09 | Stage 3b | 5 |
| 09/09 | Stage 4 | 17 |
| 12/09 | General Classification | 51 |
| 18/09 | Paris - Bruxelles | 29 |
Rider information for 1991
| Rank | 76 |
| Score | 779 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | TVM - Sanyo |
| Date | Race | Rank |
| Critérium International | ||
| 28/03 | Stage 1 | 3 |
| 29/03 | Stage 2a | 2 |
| 29/03 | General Classification | 2 |
| 05/04 | Ronde van Vlaanderen | 28 |
| Vuelta al Pais Vasco | ||
| 09/04 | Stage 4 | 9 |
| General Classification | 17 | |
| 15/04 | La Flèche Wallonne | 11 |
| 19/04 | Liège - Bastogne - Liège | 7 |
| 25/04 | Amstel Gold Race | 10 |
| Tour de Luxembourg | ||
| 13/06 | Stage 3a | 1 |
| 14/06 | General Classification | 21 |
| Tour de France | ||
| 04/07 | Prologue | 146 |
| 05/07 | Stage 1 | 100 |
| 06/07 | Stage 2 | 20 |
| 09/07 | Stage 5 | 32 |
| 10/07 | Stage 6 | 36 |
| 11/07 | Stage 7 | 8 |
| 12/07 | Stage 8 | 61 |
| 13/07 | Stage 9 | 22 |
| 15/07 | Stage 11 | 20 |
| 17/07 | Stage 12 | 18 |
| 18/07 | Stage 13 | 7 |
| 19/07 | Stage 14 | 9 |
| 20/07 | Stage 15 | 24 |
| 21/07 | Stage 16 | 11 |
| 22/07 | Stage 17 | 52 |
| 23/07 | Stage 18 | 54 |
| 24/07 | Stage 19 | 38 |
| 25/07 | Stage 20 | 78 |
| 26/07 | Stage 21 | 77 |
| General Classification | 13 | |
| 13/09 | G.P. de Fourmies | 64 |
| 19/09 | Giro del Lazio | 13 |
| Tour of Ireland - Nissan Classic | ||
| 27/09 | General Classification | 23 |
| 11/10 | Paris - Tours | 26 |
| 15/10 | Giro del Piemonte | 98 |
| 17/10 | Giro di Lombardia | 17 |
| Vuelta a España | ||
| General Classification | 11 |
Rider information for 1992
| Rank | 19 |
| Score | 1543 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | TVM - Sanyo |
| Date | Race | Rank |
| 20/03 | Milano - Sanremo | 42 |
| Vuelta al Pais Vasco | ||
| 05/04 | Stage 1 | 6 |
| 14/04 | La Flèche Wallonne | 8 |
| 18/04 | Liège - Bastogne - Liège | 13 |
| 21/04 | Scheldeprijs - Schoten | 95 |
| 24/04 | Amstel Gold Race | 8 |
| 01/05 | Rund um den Henninger Turm | 21 |
| 4 Jours de Dunkerque | ||
| 09/05 | General Classification | 9 |
| 01/08 | Trofeo Matteotti | 14 |
| 07/08 | Clasica San Sebastian | 38 |
| 15/08 | Wincanton Classic | 6 |
| Vuelta a Galicia | ||
| 16/08 | Stage 1 | 3 |
| 20/08 | Stage 5 | 2 |
| 20/08 | General Classification | 11 |
| Ronde van Nederland | ||
| 20/08 | General Classification | 16 |
| 22/08 | Meisterschaft von Zürich | 12 |
| Volta Ciclista a Catalunya | ||
| 13/09 | Stage 5 | 18 |
| 15/09 | Stage 7 | 18 |
| 15/09 | General Classification | 21 |
| 01/10 | World Championships Road Race | 21 |
Rider information for 1993
| Rank | 69 |
| Score | 701 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | TVM - Bison Kit |
| Date | Race | Rank |
| 19/03 | Milano - Sanremo | 84 |
| Setmana Catalana | ||
| 21/03 | Stage 1 | 20 |
| 22/03 | Stage 2 | 8 |
| 23/03 | Stage 3 | 26 |
| 25/03 | Stage 5a | 7 |
| 10/04 | Klasika Primavera de Amorebieta | 10 |
| 17/04 | Liège - Bastogne - Liège | 46 |
| 20/04 | La Flèche Wallonne | 25 |
| 23/04 | Amstel Gold Race | 28 |
| Tour de Luxembourg | ||
| 12/06 | General Classification | 43 |
| Tour de France | ||
| 02/07 | Prologue | 185 |
| 03/07 | Stage 1 | 26 |
| 04/07 | Stage 2 | 15 |
| 06/07 | Stage 4 | 36 |
| 08/07 | Stage 6 | 29 |
| 09/07 | Stage 7 | 15 |
| 10/07 | Stage 8 | 19 |
| 11/07 | Stage 9 | 115 |
| 12/07 | Stage 10 | 15 |
| 13/07 | Stage 11 | 57 |
| Tour de Suisse | ||
| General Classification | 32 |
Rider information for 1994
| Rank | 211 |
| Score | 271 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | TVM - Bison Kit |
No results available in season 1995.
Rider information for 1995
| Rank | 1356 |
| Score | 0 |
| Name | Gert-Jan THEUNISSE |
| Country | Netherlands |
| Team | Collstrop - Lystex |