All available race results Jaap Kooijman
| Date | Race | Rank |
| Tour de Taiwan | ||
| 09/03 | Stage 1 | 33 |
| 10/03 | Stage 2 | 25 |
| 11/03 | Stage 3 | 68 |
| 12/03 | Stage 4 | 42 |
| 13/03 | Stage 5 | 31 |
| General Classification | 53 | |
| Tour du Maroc | ||
| 04/04 | Stage 1 | 7 |
| 05/04 | Stage 2 | 19 |
| 06/04 | Stage 3 | 9 |
| 07/04 | Stage 4 | 54 |
| 08/04 | Stage 5 | 17 |
| 09/04 | Stage 6 | 15 |
| 10/04 | Stage 7 | 54 |
| 11/04 | Stage 8 | 11 |
| 12/04 | Stage 9 | 14 |
| 13/04 | Stage 10 | 6 |
| General Classification | 39 | |
| 25/05 | Omloop der Kempen | 16 |
| 14/09 | G.P. Jef Scherens - Leuven | 37 |
Rider information for 2014
| Rank | 4212 |
| Score | 0 |
| Name | Jaap KOOIJMAN |
| Country | Netherlands |
| Team | Parkhotel Valkenburg Continental Cycling Team |
| Date | Race | Rank |
| 28/02 | Ster van Zwolle | 89 |
| Okolo Slovenska | ||
| 10/06 | Stage 1 | 25 |
| 11/06 | Stage 2 | 10 |
| 12/06 | Stage 3 | 66 |
| 13/06 | Stage 4 | 49 |
| 14/06 | Stage 5 | 103 |
| General Classification | 49 | |
| Tour of Qinghai Lake | ||
| 05/07 | Stage 1 | 30 |
| 06/07 | Stage 2 | 112 |
| 07/07 | Stage 3 | 84 |
| 08/07 | Stage 4 | 106 |
| 09/07 | Stage 5 | 99 |
| 10/07 | Stage 6 | 101 |
Rider information for 2015
| Rank | 4461 |
| Score | 0 |
| Name | Jaap KOOIJMAN |
| Country | Netherlands |
| Team | Parkhotel Valkenburg Continental Team |
| Date | Race | Rank |
| 05/03 | Ster van Zwolle | 27 |
Rider information for 2016
| Rank | 3234 |
| Score | 3 |
| Name | Jaap KOOIJMAN |
| Country | Netherlands |
| Team | Elite without contract |
| Date | Race | Rank |
| 04/03 | Ster van Zwolle | 35 |
Rider information for 2017
| Rank | 2516 |
| Score | 5 |
| Name | Jaap KOOIJMAN |
| Country | Netherlands |
| Team | Elite without contract |
| Date | Race | Rank |
| 03/03 | Ster van Zwolle | 2 |
| 11/03 | Ronde van Drenthe | 47 |
| 31/03 | Volta Limburg Classic | 51 |
| 21/04 | Arno Wallaard Memorial | 67 |
| 07/07 | G.P. Jean-Pierre Monseré | 25 |
| 11/08 | Slag om Norg | 29 |
| 22/08 | Veenendaal - Veenendaal Classic | 41 |
| 29/08 | Druivenkoers - Overijse | 51 |
Rider information for 2018
| Rank | 2093 |
| Score | 7 |
| Name | Jaap KOOIJMAN |
| Country | Netherlands |
| Team | Vlasman CT |
| Date | Race | Rank |
| 23/02 | Ster van Zwolle | 57 |
| 20/04 | Arno Wallaard Memorial | 82 |
| ZLM Tour | ||
| 19/06 | Prologue | 76 |
| 20/06 | Stage 1 | 62 |
| 21/06 | Stage 2 | 73 |
| 22/06 | Stage 3 | 84 |
| 23/06 | Stage 4 | 63 |
| General Classification | 82 |
Rider information for 2019
| Rank | 2620 |
| Score | 5 |
| Name | Jaap KOOIJMAN |
| Country | Netherlands |
| Team | Vlasman CT |