All available race results Leen Poortvliet
No results available in season 1968.
Rider information for 1968
| Rank | 633 |
| Score | 13 |
| Name | Leen POORTVLIET |
| Country | Netherlands |
| Team | Smith's |
| Date | Race | Rank |
| 14/04 | Nokere Koerse | 26 |
| 04/05 | Meisterschaft von Zürich | 58 |
| 4 Jours de Dunkerque | ||
| 13/05 | Prologue | 8 |
| 14/05 | Stage 2b | 14 |
| 15/05 | Stage 3 | 3 |
| 17/05 | Stage 5b | 3 |
| 17/05 | General Classification | 48 |
| Tour de France | ||
| 28/06 | Prologue | 24 |
| 29/06 | Stage 1a | 119 |
| 30/06 | Stage 2 | 126 |
| 01/07 | Stage 3 | 126 |
| 02/07 | Stage 4 | 37 |
| 03/07 | Stage 5 | 123 |
| 04/07 | Stage 6 | 102 |
| 05/07 | Stage 7 | 88 |
| 06/07 | Stage 8a | 10 |
| 06/07 | Stage 8b | 97 |
| 07/07 | Stage 9 | 102 |
Rider information for 1969
| Rank | 238 |
| Score | 191 |
| Name | Leen POORTVLIET |
| Country | Netherlands |
| Team | Willem II - Gazelle |
| Date | Race | Rank |
| 4 Jours de Dunkerque | ||
| 10/05 | Stage 5a | 1 |
| 10/05 | Stage 5b | 6 |
| 10/05 | General Classification | 19 |
| Six-Provinces - Dauphiné Libéré | ||
| 25/05 | General Classification | 73 |
| Paris - Luxembourg | ||
| 10/08 | Stage 1 | 41 |
| 11/08 | Stage 2a | 79 |
| 11/08 | Stage 2b | 16 |
| 12/08 | Stage 3 | 86 |
Rider information for 1970
| Rank | 386 |
| Score | 58 |
| Name | Leen POORTVLIET |
| Country | Netherlands |
| Team | Willem II - Gazelle |