All available race results Marco Zen
| Date | Race | Rank |
| 21/03 | Milano - Sanremo | 121 |
| 29/08 | Giro del Veneto | 25 |
| Volta Ciclista a Catalunya | ||
| 17/09 | General Classification | 69 |
| 19/09 | Giro del Lazio | 15 |
| 04/10 | Giro dell'Emilia | 53 |
| 11/10 | Paris - Tours | 116 |
Rider information for 1987
| Rank | 470 |
| Score | 77 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Ecoflam - BFB Bruciatori - Mareco - Alfa Lum |
| Date | Race | Rank |
| 19/03 | Milano - Sanremo | 104 |
| 26/06 | Campionato d'Italia su strada / Coppa Placci | 27 |
| 18/08 | Coppa Agostoni | 25 |
| 03/09 | Giro del Veneto | 70 |
| 01/10 | Giro dell'Emilia | 36 |
| 05/10 | Coppa Sabatini | 7 |
| 15/10 | Giro di Lombardia | 31 |
| Giro d'Italia | ||
| General Classification | 83 | |
| Tour de Suisse | ||
| General Classification | 37 |
Rider information for 1988
| Rank | 382 |
| Score | 121 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Alfa Lum - Legnano - Ecoflam |
| Date | Race | Rank |
| Critérium International | ||
| 26/03 | General Classification | 88 |
| Giro del Trentino | ||
| 10/05 | General Classification | 6 |
| 30/07 | Wincanton Classic | 67 |
| 20/08 | Meisterschaft von Zürich | 81 |
| 30/09 | Giro dell'Emilia | 32 |
| 08/10 | Paris - Tours | 135 |
| 12/10 | Giro del Piemonte | 65 |
| 14/10 | Giro di Lombardia | 14 |
| Giro d'Italia | ||
| General Classification | 101 |
Rider information for 1989
| Rank | 274 |
| Score | 204 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Del Tongo - Mele Val di Non |
| Date | Race | Rank |
| Driedaagse De Panne | ||
| 29/03 | General Classification | 127 |
| 01/04 | Ronde van Vlaanderen | 84 |
| 11/04 | La Flèche Wallonne | 107 |
| 17/06 | Giro dell'Appennino | 7 |
| 24/06 | Campionato d'Italia su strada - G.P. Camaiore | 32 |
| 19/08 | Meisterschaft von Zürich | 100 |
| 23/08 | Giro del Veneto | 42 |
| 30/09 | Grand Prix des Amériques | 40 |
| 14/10 | Paris - Tours | 126 |
| Giro d'Italia | ||
| General Classification | 62 |
Rider information for 1990
| Rank | 466 |
| Score | 76 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Del Tongo - Rex |
| Date | Race | Rank |
| Tirreno - Adriatico | ||
| 20/03 | General Classification | 50 |
| 23/03 | Milano - Sanremo | 83 |
| 30/06 | Campionato d'Italia su strada - Giro del Friuli | 41 |
| 16/08 | Coppa Agostoni | 31 |
| 18/08 | Meisterschaft von Zürich | 133 |
| 31/08 | Giro del Veneto | 51 |
| Volta Ciclista a Catalunya | ||
| 12/09 | General Classification | 77 |
| 17/10 | Giro del Piemonte | 96 |
| 19/10 | Giro di Lombardia | 88 |
| Tour de Suisse | ||
| General Classification | 93 | |
| Vuelta al Pais Vasco | ||
| General Classification | 45 |
Rider information for 1991
| Rank | 392 |
| Score | 109 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Panasonic - Sportlife |
| Date | Race | Rank |
| 21/03 | Milano - Sanremo | 115 |
| 28/06 | Campionato d'Italia su strada | 14 |
| 29/08 | Giro del Veneto | 49 |
| Volta Ciclista a Catalunya | ||
| 15/09 | General Classification | 74 |
| 04/10 | Grand Prix des Amériques | 59 |
| 15/10 | Giro del Piemonte | 42 |
| 08/11 | Japan Cup | 13 |
| Tour de Suisse | ||
| General Classification | 63 |
Rider information for 1992
| Rank | 655 |
| Score | 27 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Panasonic - Sportlife |
| Date | Race | Rank |
| 17/02 | Trofeo Laigueglia | 5 |
| 08/03 | Giro di Campania | 33 |
| 20/03 | Milano - Sanremo | 101 |
| 27/03 | G.P. E3 - Harelbeke | 96 |
| 14/04 | La Flèche Wallonne | 70 |
| G.P. du Midi-Libre | ||
| 19/06 | General Classification | 45 |
| 07/08 | Clasica San Sebastian | 102 |
| 15/08 | Wincanton Classic | 43 |
| 03/10 | Paris - Tours | 110 |
| Giro d'Italia | ||
| General Classification | 94 |
Rider information for 1993
| Rank | 393 |
| Score | 71 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Lampre - Polti |
| Date | Race | Rank |
| Tour de France | ||
| 02/07 | Prologue | 123 |
| 03/07 | Stage 1 | 176 |
| 04/07 | Stage 2 | 183 |
| 06/07 | Stage 4 | 128 |
| 08/07 | Stage 6 | 67 |
| 09/07 | Stage 7 | 135 |
| 10/07 | Stage 8 | 123 |
| 11/07 | Stage 9 | 146 |
| 12/07 | Stage 10 | 158 |
| 13/07 | Stage 11 | 69 |
| 15/07 | Stage 12 | 151 |
| 16/07 | Stage 13 | 131 |
| 17/07 | Stage 14 | 116 |
| 18/07 | Stage 15 | 81 |
| 19/07 | Stage 16 | 86 |
| 20/07 | Stage 17 | 94 |
| 21/07 | Stage 18 | 68 |
| 22/07 | Stage 19 | 66 |
| 23/07 | Stage 20 | 95 |
| 24/07 | Stage 21 | 108 |
| General Classification | 86 | |
| 06/08 | Clasica San Sebastian | 98 |
| 21/08 | Meisterschaft von Zürich | 113 |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 11/09 | General Classification | 77 |
| 06/10 | Giro del Piemonte | 110 |
| Tour de Suisse | ||
| General Classification | 36 |
Rider information for 1994
| Rank | 326 |
| Score | 118 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Lampre - Panaria |
| Date | Race | Rank |
| 18/03 | Milano - Sanremo | 149 |
| 05/04 | Gent - Wevelgem | 93 |
| 24/04 | G.P. Industria e Artigianato | 48 |
| Volta Ciclista a Catalunya | ||
| 22/06 | General Classification | 55 |
| 25/06 | Trofeo Matteotti | 33 |
Rider information for 1995
| Rank | 641 |
| Score | 19 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Lampre - Panaria |
| Date | Race | Rank |
| Vuelta a Andalucia - Ruta del Sol | ||
| 23/02 | General Classification | 34 |
| Tirreno - Adriatico | ||
| 20/03 | General Classification | 42 |
| 23/03 | Milano - Sanremo | 65 |
| 14/04 | Klasika Primavera de Amorebieta | 25 |
| 17/04 | La Flèche Wallonne | 25 |
| 21/04 | Liège - Bastogne - Liège | 37 |
| Giro del Trentino | ||
| 10/05 | Stage 3 | 8 |
| 11/05 | Stage 4 | 9 |
| 12/05 | Stage 5 | 6 |
| 12/05 | General Classification | 7 |
| 23/06 | National Championship Italy | 61 |
| Tour de France | ||
| 29/06 | Prologue | 117 |
| 30/06 | Stage 1 | 118 |
| 01/07 | Stage 2 | 134 |
| 02/07 | Stage 3 | 152 |
| 03/07 | Stage 4 | 88 |
| 04/07 | Stage 5 | 134 |
| 05/07 | Stage 6 | 84 |
| 06/07 | Stage 7 | 102 |
| 07/07 | Stage 8 | 101 |
| 08/07 | Stage 9 | 73 |
| 09/07 | Stage 10 | 64 |
| 11/07 | Stage 11 | 42 |
| 12/07 | Stage 12 | 117 |
| 13/07 | Stage 13 | 81 |
| 14/07 | Stage 14 | 61 |
| 15/07 | Stage 15 | 93 |
| 16/07 | Stage 16 | 66 |
| 17/07 | Stage 17 | 46 |
| 18/07 | Stage 18 | 52 |
| 19/07 | Stage 19 | 121 |
| 20/07 | Stage 20 | 62 |
| 21/07 | Stage 21 | 90 |
| General Classification | 73 | |
| 27/07 | Amstel Gold Race | 69 |
| 10/08 | Clasica San Sebastian | 139 |
| Giro d'Italia | ||
| General Classification | 33 |
Rider information for 1996
| Rank | 224 |
| Score | 224 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Roslotto - ZG Mobili |
| Date | Race | Rank |
| 18/02 | Trofeo Laigueglia | 43 |
| 22/03 | Milano - Sanremo | 148 |
| Giro del Trentino | ||
| 01/05 | General Classification | 38 |
| Euskal Bizikleta | ||
| 25/05 | General Classification | 34 |
| Tour de Luxembourg | ||
| 15/06 | General Classification | 45 |
| Volta Ciclista a Catalunya | ||
| 26/06 | General Classification | 38 |
| 29/06 | G.P. Industria e Artigianato | 22 |
| Tour de France | ||
| 05/07 | Prologue | 173 |
| 06/07 | Stage 1 | 53 |
| 07/07 | Stage 2 | 92 |
| 08/07 | Stage 3 | 86 |
| 09/07 | Stage 4 | 106 |
| 10/07 | Stage 5 | 9 |
| 11/07 | Stage 6 | 93 |
| 12/07 | Stage 7 | 128 |
| 13/07 | Stage 8 | 57 |
| 14/07 | Stage 9 | 91 |
| 15/07 | Stage 10 | 72 |
| 16/07 | Stage 11 | 113 |
| 18/07 | Stage 12 | 140 |
| 19/07 | Stage 13 | 66 |
| 20/07 | Stage 14 | 101 |
| 21/07 | Stage 15 | 83 |
| 22/07 | Stage 16 | 51 |
| 23/07 | Stage 17 | 48 |
| 24/07 | Stage 18 | 47 |
| 25/07 | Stage 19 | 57 |
| 26/07 | Stage 20 | 80 |
| 27/07 | Stage 21 | 58 |
| General Classification | 73 | |
| 03/08 | Trofeo Matteotti | 19 |
| 24/08 | Meisterschaft von Zürich | 85 |
Rider information for 1997
| Rank | 476 |
| Score | 73 |
| Name | Marco ZEN |
| Country | Italy |
| Team | Roslotto - ZG Mobili |