All available race results Marek Leśniewski
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 26/06 | Prologue | 1 |
| 27/06 | Stage 1 | 2 |
| 29/06 | Stage 3 | 2 |
| 01/07 | Stage 5b | 4 |
| 02/07 | Stage 6 | 4 |
| 03/07 | Stage 7 | 8 |
| 04/07 | Stage 8 | 1 |
| 04/07 | General Classification | 28 |
| Tour de l'Avenir | ||
| 04/09 | Prologue | 17 |
Rider information for 1984
| Rank | 531 |
| Score | 45 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Pokoju / Závod Míru / Friedensfahrt | ||
| 10/05 | Stage 2 | 4 |
| 15/05 | Stage 6 | 6 |
| 22/05 | General Classification | 30 |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 22/07 | Prologue | 2 |
| 23/07 | Stage 1 | 6 |
| 24/07 | Stage 2 | 1 |
| 25/07 | Stage 3 | 2 |
| 26/07 | Stage 4 | 8 |
| 28/07 | Stage 6 | 9 |
| 29/07 | Stage 7 | 7 |
| 30/07 | Stage 8 | 1 |
| 31/07 | Stage 9a | 3 |
| 31/07 | General Classification | 1 |
| 31/08 | World Championships Road Race (Amateurs) | 40 |
Rider information for 1985
| Rank | 378 |
| Score | 93 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 22/07 | Prologue | 2 |
| 24/07 | Stage 2 | 3 |
| 29/07 | General Classification | 2 |
| 05/09 | World Championships Road Race (Amateurs) | 74 |
Rider information for 1987
| Rank | 564 |
| Score | 51 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
No results available in season 1988.
Rider information for 1988
| Rank | 989 |
| Score | 7 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Pokoju / Závod Míru / Friedensfahrt | ||
| 20/05 | General Classification | 55 |
Rider information for 1989
| Rank | 1800 |
| Score | 0 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| 24/08 | World Championships Road Race (Amateurs) | 57 |
| 06/10 | Chrono des Herbiers | 7 |
Rider information for 1991
| Rank | 750 |
| Score | 20 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| 04/10 | Chrono des Herbiers | 2 |
Rider information for 1992
| Rank | 667 |
| Score | 25 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| 28/08 | World Championships Road Race (Amateurs) | 6 |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 31/08 | Prologue | 4 |
| 01/09 | Stage 1 | 3 |
| 06/09 | Stage 6 | 10 |
| 07/09 | Stage 7 | 10 |
| 10/09 | Stage 10a | 1 |
| 11/09 | General Classification | 2 |
Rider information for 1993
| Rank | 325 |
| Score | 112 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| 01/02 | G.P. d'Ouverture - La Marseillaise | 85 |
| 20/03 | Cholet-Pays de la Loire | 34 |
| Critérium International | ||
| 27/03 | General Classification | 106 |
| 4 Jours de Dunkerque | ||
| 04/05 | Stage 2b | 8 |
| 08/05 | General Classification | 39 |
| 11/09 | G.P. de Fourmies | 15 |
| 15/09 | Paris - Bruxelles | 53 |
| 24/09 | G.P. des Nations | 8 |
| 02/10 | Paris - Tours | 103 |
| 09/10 | Chrono des Herbiers | 6 |
Rider information for 1994
| Rank | 477 |
| Score | 52 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Aubervilliers 93 - Peugeot |
| Date | Race | Rank |
| Paris - Nice | ||
| 05/03 | Stage 1 | 22 |
| 06/03 | Stage 2 | 21 |
| 07/03 | Stage 3 | 21 |
| 09/03 | Stage 5 | 29 |
| 12/03 | General Classification | 40 |
| Circuit de la Sarthe-Pays de Loire | ||
| 06/04 | Stage 2 | 3 |
| 11/04 | G.P. de Denain | 14 |
| 18/04 | Paris - Camembert | 42 |
| 4 Jours de Dunkerque | ||
| 04/05 | Stage 3 | 10 |
| 07/05 | General Classification | 37 |
| 20/05 | A travers le Morbihan | 6 |
| G.P. du Midi-Libre | ||
| 29/05 | General Classification | 77 |
| Dauphiné Libéré | ||
| 11/06 | General Classification | 64 |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 05/09 | Stage 3a | 4 |
| 05/09 | Stage 3b | 2 |
| 10/09 | General Classification | 4 |
| 14/09 | Paris - Bruxelles | 104 |
| 15/10 | Paris - Tours | 35 |
| 22/10 | Chrono des Herbiers | 2 |
Rider information for 1995
| Rank | 298 |
| Score | 141 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Aubervilliers 93 - Peugeot |
| Date | Race | Rank |
| 20/04 | A travers le Morbihan | 49 |
| 25/04 | G.P. de Denain | 83 |
| G.P. du Midi-Libre | ||
| 21/05 | Stage 1 | 88 |
| 23/05 | Stage 3 | 84 |
| 24/05 | Stage 4 | 87 |
| 25/05 | Stage 5 | 80 |
| 26/05 | Stage 6 | 87 |
| 26/05 | General Classification | 88 |
| Route du Sud | ||
| 16/06 | Stage 2a | 13 |
| 18/06 | Stage 4 | 22 |
| Tour de France | ||
| 29/06 | Prologue | 51 |
| 30/06 | Stage 1 | 120 |
| 01/07 | Stage 2 | 100 |
| 02/07 | Stage 3 | 97 |
| 03/07 | Stage 4 | 152 |
| 04/07 | Stage 5 | 98 |
| 05/07 | Stage 6 | 144 |
| 06/07 | Stage 7 | 81 |
| 07/07 | Stage 8 | 156 |
| 08/07 | Stage 9 | 148 |
| 09/07 | Stage 10 | 115 |
| 11/07 | Stage 11 | 132 |
| 12/07 | Stage 12 | 38 |
| 13/07 | Stage 13 | 95 |
| 21/09 | G.P. des Nations | 13 |
| 06/10 | Paris - Tours | 87 |
| 20/10 | Chrono des Herbiers | 14 |
Rider information for 1996
| Rank | 549 |
| Score | 45 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Aubervilliers 93 - Peugeot |
| Date | Race | Rank |
| 23/03 | Cholet-Pays de la Loire | 62 |
| 13/04 | Paris - Roubaix | 69 |
| 4 Jours de Dunkerque | ||
| 11/05 | General Classification | 29 |
| Circuit Franco-Belge | ||
| 05/07 | Stage 2 | 10 |
| 06/07 | General Classification | 22 |
| Tour de Pologne | ||
| 14/09 | General Classification | 16 |
| 20/09 | G.P. des Nations | 20 |
| 05/10 | Paris - Tours | 99 |
| 19/10 | Chrono des Herbiers | 18 |
Rider information for 1997
| Rank | 483 |
| Score | 70 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | BigMat - Auber 93 |
No results available in season 1999.
Rider information for 1999
| Rank | 1427 |
| Score | 4 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
No results available in season 2000.
Rider information for 2000
| Rank | 1321 |
| Score | 6 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
No results available in season 2001.
Rider information for 2001
| Rank | 988 |
| Score | 20 |
| Name | Marek LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |