All available race results Jan Westdorp
No results available in season 1955.
Rider information for 1955
| Rank | 1166 |
| Score | 4 |
| Name | Jan WESTDORP |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Tour de Luxembourg | ||
| 23/06 | Stage 1b | 10 |
| 25/06 | General Classification | 18 |
Rider information for 1956
| Rank | 823 |
| Score | 12 |
| Name | Jan WESTDORP |
| Country | Netherlands |
| Team | Locomotief - Vredestein |
| Date | Race | Rank |
| 17/03 | Elfstedenronde | 16 |
| 23/03 | Gent - Wevelgem | 97 |
| 4 Jours de Dunkerque | ||
| 29/04 | Stage 2 | 5 |
| 01/05 | General Classification | 31 |
Rider information for 1957
| Rank | 728 |
| Score | 17 |
| Name | Jan WESTDORP |
| Country | Netherlands |
| Team | Locomotief - Vredestein |
| Date | Race | Rank |
| 09/03 | Kuurne - Brussel - Kuurne | 14 |
| 16/03 | Elfstedenronde | 34 |
| 03/05 | Harelbeke - Antwerpen - Harelbeke | 20 |
| Tour de Luxembourg | ||
| 16/06 | General Classification | 31 |
Rider information for 1958
| Rank | 737 |
| Score | 25 |
| Name | Jan WESTDORP |
| Country | Netherlands |
| Team | Eroba - Vredestein |
| Date | Race | Rank |
| 17/05 | Harelbeke - Antwerpen - Harelbeke | 28 |
Rider information for 1959
| Rank | 607 |
| Score | 23 |
| Name | Jan WESTDORP |
| Country | Netherlands |
| Team | Eroba - Vredestein |
| Date | Race | Rank |
| 01/05 | Grote 1 Mei-Prijs Hoboken | 19 |
Rider information for 1960
| Rank | 820 |
| Score | 13 |
| Name | Jan WESTDORP |
| Country | Netherlands |
| Team | Eroba - Vredestein |
| Date | Race | Rank |
| Ronde van Nederland | ||
| 16/05 | Stage 1b | 16 |
| 17/05 | Stage 2 | 2 |
| 18/05 | Stage 3 | 2 |
| 19/05 | Stage 4 | 19 |
| 20/05 | Stage 5b | 7 |
| 21/05 | Stage 6 | 4 |
| 22/05 | Stage 7 | 2 |
| 25/05 | General Classification | 11 |
| Tour de Suisse | ||
| 21/06 | General Classification | 22 |
| Tour de France | ||
| 25/06 | Stage 1a | 45 |
| 25/06 | Stage 1b | 120 |
| 26/06 | Stage 2 | 24 |
| 27/06 | Stage 3 | 91 |
| 28/06 | Stage 4 | 23 |
| 29/06 | Stage 5 | 40 |
| 30/06 | Stage 6 | 45 |
| 01/07 | Stage 7 | 11 |
| 02/07 | Stage 8 | 65 |
| 03/07 | Stage 9 | 85 |
| 04/07 | Stage 10 | 77 |
| 05/07 | Stage 11 | 55 |
| 06/07 | Stage 12 | 48 |
| 07/07 | Stage 13 | 34 |
| 09/07 | Stage 14 | 5 |
| 10/07 | Stage 15 | 35 |
| 11/07 | Stage 16 | 62 |
| 12/07 | Stage 17 | 72 |
| 13/07 | Stage 18 | 16 |
| 14/07 | Stage 19 | 70 |
| 15/07 | Stage 20 | 40 |
| 16/07 | Stage 21 | 55 |
| General Classification | 66 |
Rider information for 1961
| Rank | 135 |
| Score | 454 |
| Name | Jan WESTDORP |
| Country | Netherlands |
| Team | Eroba |
| Date | Race | Rank |
| Vuelta a España | ||
| 27/04 | Stage 1 | 7 |
| 28/04 | Stage 2 | 47 |
| 29/04 | Stage 3 | 49 |
| 30/04 | Stage 4 | 37 |
| 02/05 | Stage 6 | 19 |
| 03/05 | Stage 7 | 21 |
| 04/05 | Stage 8 | 14 |
| 05/05 | Stage 9 | 61 |
| 06/05 | Stage 10 | 65 |
| 07/05 | Stage 11 | 10 |
| 08/05 | Stage 12 | 3 |
| 09/05 | Stage 13 | 5 |
| 10/05 | Stage 14 | 13 |
| 11/05 | Stage 15 | 52 |
| 12/05 | Stage 16 | 15 |
| 13/05 | Stage 17 | 39 |
| General Classification | 33 | |
| Tour de Suisse | ||
| 20/06 | General Classification | 42 |
Rider information for 1962
| Rank | 246 |
| Score | 213 |
| Name | Jan WESTDORP |
| Country | Netherlands |
| Team | Locomotief - Vredestein |