All available race results Jan Jonkers
| Date | Race | Rank |
| 06/03 | Ster van Zwolle | 7 |
Rider information for 1976
| Rank | 609 |
| Score | 11 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Tour de l'Avenir | ||
| 12/09 | Prologue | 6 |
| 17/09 | Stage 5 | 9 |
| 18/09 | Stage 6 | 9 |
| 25/09 | Stage 12 | 10 |
| 25/09 | General Classification | 38 |
Rider information for 1977
| Rank | 565 |
| Score | 14 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 11/03 | Ster van Zwolle | 8 |
| Tour de Luxembourg | ||
| 11/06 | General Classification | 43 |
| Tour de l'Avenir | ||
| 07/09 | Stage 3 | 5 |
| 13/09 | Stage 9b | 7 |
| 17/09 | General Classification | 63 |
Rider information for 1978
| Rank | 592 |
| Score | 14 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Individual |
No results available in season 1979.
Rider information for 1979
| Rank | 895 |
| Score | 3 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Driedaagse De Panne | ||
| 27/03 | General Classification | 25 |
| 30/03 | Ronde van Vlaanderen | 34 |
| 02/04 | Gent - Wevelgem | 59 |
| 17/04 | La Flèche Wallonne | 36 |
| 20/04 | Liège - Bastogne - Liège | 16 |
| 01/05 | Grote 1 Mei-Prijs Hoboken | 10 |
| 4 Jours de Dunkerque | ||
| 11/05 | General Classification | 42 |
| Tour de France | ||
| 26/06 | Prologue | 45 |
| 27/06 | Stage 1a | 104 |
| 28/06 | Stage 2 | 21 |
| 29/06 | Stage 3 | 90 |
| 30/06 | Stage 4 | 68 |
| 01/07 | Stage 5 | 14 |
| 02/07 | Stage 6 | 11 |
| 03/07 | Stage 7b | 17 |
| 04/07 | Stage 8 | 52 |
| 06/07 | Stage 9 | 6 |
| 07/07 | Stage 10 | 15 |
| 08/07 | Stage 11 | 84 |
| 09/07 | Stage 12 | 24 |
| 10/07 | Stage 13 | 71 |
| 11/07 | Stage 14 | 24 |
| 12/07 | Stage 15 | 79 |
| 13/07 | Stage 16 | 64 |
| 14/07 | Stage 17 | 80 |
| 16/07 | Stage 18 | 56 |
| 17/07 | Stage 19 | 69 |
| 18/07 | Stage 20 | 31 |
| 19/07 | Stage 21 | 16 |
| 20/07 | Stage 22 | 18 |
| General Classification | 69 | |
| 24/09 | Paris - Bruxelles | 44 |
Rider information for 1980
| Rank | 144 |
| Score | 380 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Boston - IFI - Mavic |
| Date | Race | Rank |
| Vuelta a Andalucia - Ruta del Sol | ||
| 08/02 | General Classification | 64 |
| 21/03 | Milano - Sanremo | 47 |
| 29/03 | Brabantse Pijl | 30 |
| 12/04 | Paris - Roubaix | 24 |
| 19/04 | Liège - Bastogne - Liège | 13 |
| 21/04 | Paris - Camembert | 12 |
| Tour de France | ||
| 25/06 | Prologue | 65 |
| 26/06 | Stage 1a | 78 |
| 27/06 | Stage 2 | 147 |
| 28/06 | Stage 3 | 18 |
| 30/06 | Stage 5 | 95 |
| 01/07 | Stage 6 | 62 |
| 02/07 | Stage 7 | 83 |
| 03/07 | Stage 8 | 115 |
| 06/07 | Stage 9 | 118 |
| 07/07 | Stage 10 | 90 |
| 08/07 | Stage 11 | 136 |
| 09/07 | Stage 12a | 41 |
| 09/07 | Stage 12b | 78 |
| 10/07 | Stage 13 | 37 |
| 11/07 | Stage 14 | 37 |
| 12/07 | Stage 15 | 68 |
| 13/07 | Stage 16 | 118 |
| 15/07 | Stage 17 | 122 |
| 16/07 | Stage 18 | 108 |
| 17/07 | Stage 19 | 122 |
| 18/07 | Stage 20 | 101 |
| 19/07 | Stage 21 | 96 |
| 20/07 | Stage 22 | 87 |
| General Classification | 116 | |
| 20/09 | G.P. Jef Scherens - Leuven | 20 |
Rider information for 1981
| Rank | 208 |
| Score | 273 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Boston - Mavic |
| Date | Race | Rank |
| 27/03 | G.P. E3 - Harelbeke | 18 |
| 05/04 | Nokere Koerse | 9 |
| 07/04 | Gent - Wevelgem | 17 |
| 11/04 | Liège - Bastogne - Liège | 27 |
| 24/04 | Amstel Gold Race | 28 |
| Ronde van Nederland | ||
| 28/08 | General Classification | 73 |
| 23/09 | Paris - Bruxelles | 53 |
Rider information for 1982
| Rank | 207 |
| Score | 245 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Beckers Snacks |
| Date | Race | Rank |
| 26/03 | G.P. E3 - Harelbeke | 3 |
| 12/04 | G.P. Pino Cerami | 13 |
| 14/04 | La Flèche Wallonne | 58 |
| 17/04 | Liège - Bastogne - Liège | 54 |
| 01/05 | Meisterschaft von Zürich | 8 |
| Tour de Suisse | ||
| 24/06 | General Classification | 64 |
| 02/08 | Scheldeprijs - Schoten | 18 |
| Ronde van Nederland | ||
| 27/08 | General Classification | 17 |
| 21/09 | Paris - Bruxelles | 34 |
Rider information for 1983
| Rank | 184 |
| Score | 292 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Beckers Snacks |
| Date | Race | Rank |
| 04/03 | Ronde van Limburg | 15 |
| 24/03 | G.P. E3 - Harelbeke | 27 |
| Driedaagse De Panne | ||
| 29/03 | General Classification | 28 |
| 04/04 | Gent - Wevelgem | 91 |
| 15/04 | Liège - Bastogne - Liège | 43 |
| 21/04 | Amstel Gold Race | 29 |
| 25/04 | G.P. de Denain | 8 |
| 01/05 | Rund um den Henninger Turm | 26 |
Rider information for 1984
| Rank | 371 |
| Score | 96 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Elro Snacks - Auto Brabant - Clemenso |
| Date | Race | Rank |
| 07/04 | Ronde van Vlaanderen | 20 |
| 10/04 | Gent - Wevelgem | 84 |
| 14/04 | Paris - Roubaix | 26 |
| 25/05 | Bordeaux - Paris | 8 |
| Ronde van Nederland | ||
| 24/08 | General Classification | 25 |
| 08/09 | G.P. de Fourmies | 11 |
| 15/09 | G.P. Jef Scherens - Leuven | 14 |
| 18/09 | Paris - Bruxelles | 40 |
Rider information for 1985
| Rank | 251 |
| Score | 214 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Nikon - Van Schilt - Elro Snacks |
| Date | Race | Rank |
| Paris - Nice | ||
| 03/03 | Stage 1 | 17 |
| 05/03 | Stage 3 | 23 |
| 23/03 | Dwars door België | 9 |
| Driedaagse De Panne | ||
| 27/03 | General Classification | 27 |
| 06/04 | Ronde van Vlaanderen | 21 |
| 13/04 | Paris - Roubaix | 21 |
| 16/04 | La Flèche Wallonne | 43 |
| 26/04 | Amstel Gold Race | 15 |
| 4 Jours de Dunkerque | ||
| 06/05 | Stage 1 | 15 |
| 10/05 | General Classification | 29 |
| Ronde van Nederland | ||
| 23/08 | General Classification | 32 |
| 26/08 | Druivenkoers - Overijse | 12 |
| 21/09 | G.P. Jef Scherens - Leuven | 26 |
Rider information for 1986
| Rank | 246 |
| Score | 246 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Transvemij - Van Schilt |
| Date | Race | Rank |
| 4 Jours de Dunkerque | ||
| 10/05 | General Classification | 65 |
Rider information for 1987
| Rank | 889 |
| Score | 10 |
| Name | Jan JONKERS |
| Country | Netherlands |
| Team | Transvemij - Van Schilt - Floorgres |