All available race results Leonardo Sierra
| Date | Race | Rank |
| 09/08 | Panamerican Games Road Race | 6 |
Rider information for 1987
| Rank | 815 |
| Score | 17 |
| Name | Leonardo SIERRA |
| Country | Venezuela |
| Team | Individual |
| Date | Race | Rank |
| 31/07 | Panamerican Championships Elite Road Race | 3 |
| 27/09 | Olympic Games Seoul - Road Race | 83 |
Rider information for 1988
| Rank | 775 |
| Score | 22 |
| Name | Leonardo SIERRA |
| Country | Venezuela |
| Team | Individual |
| Date | Race | Rank |
| Tour de Luxembourg | ||
| 11/06 | General Classification | 6 |
| Tour de Suisse | ||
| 17/06 | Stage 4 | 6 |
| General Classification | 22 | |
| 15/07 | G.P. Camaiore | 21 |
| 01/08 | Coppa Placci | 23 |
Rider information for 1989
| Rank | 384 |
| Score | 139 |
| Name | Leonardo SIERRA |
| Country | Venezuela |
| Team | Eurocar - Mosoca - Galli |
| Date | Race | Rank |
| 03/03 | Trofeo Laigueglia | 17 |
| Tirreno - Adriatico | ||
| 10/03 | Stage 4 | 4 |
| 14/03 | General Classification | 21 |
| Giro del Trentino | ||
| 09/05 | Stage 3 | 2 |
| 10/05 | General Classification | 3 |
| Giro d'Italia | ||
| 19/05 | Stage 1 | 9 |
| 01/06 | Stage 14 | 4 |
| 02/06 | Stage 15 | 9 |
| 03/06 | Stage 16 | 1 |
| General Classification | 10 | |
| 20/06 | G.P. Industria e Artigianato | 3 |
| 29/07 | Wincanton Classic | 66 |
| Kellogg's Tour of Britain | ||
| 02/08 | Stage 3 | 10 |
| 05/08 | General Classification | 7 |
| 15/08 | Tre Valli Varesine | 61 |
| 17/08 | Coppa Agostoni | 13 |
| 10/10 | Coppa Sabatini | 5 |
| 16/10 | Milano - Torino | 36 |
Rider information for 1990
| Rank | 62 |
| Score | 967 |
| Name | Leonardo SIERRA |
| Country | Venezuela |
| Team | Selle Italia - Eurocar - Mosoca - Galli |
| Date | Race | Rank |
| 02/03 | Trofeo Pantalica | 12 |
| 01/05 | G.P. Industria e Artigianato | 20 |
| 05/05 | Giro dell'Appennino | 5 |
| Giro del Trentino | ||
| 16/05 | Stage 3 | 1 |
| 17/05 | General Classification | 1 |
| Giro d'Italia | ||
| 05/06 | Stage 10 | 9 |
| 07/06 | Stage 12 | 10 |
| 08/06 | Stage 13 | 8 |
| 10/06 | Stage 15 | 9 |
| 11/06 | Stage 16 | 7 |
| 12/06 | Stage 17 | 7 |
| 15/06 | Stage 20 | 10 |
| General Classification | 7 | |
| 19/06 | Giro della Toscane | 2 |
| 07/08 | Giro dell'Umbria | 17 |
| 12/08 | Tre Valli Varesine | 21 |
| 14/08 | Coppa Bernocchi | 7 |
| 31/08 | Giro del Veneto | 40 |
Rider information for 1991
| Rank | 88 |
| Score | 738 |
| Name | Leonardo SIERRA |
| Country | Venezuela |
| Team | Selle Italia - Magniarredo - Vetta |
| Date | Race | Rank |
| 29/02 | Trofeo Pantalica | 27 |
| 09/03 | Giro di Campania | 14 |
| Tirreno - Adriatico | ||
| 16/03 | Stage 6 | 2 |
| 18/03 | General Classification | 10 |
| 12/04 | Giro di Reggio Calabria | 4 |
| 03/05 | Giro dell'Appennino | 2 |
| Giro del Trentino | ||
| 14/05 | Stage 3 | 3 |
| 15/05 | General Classification | 6 |
| Giro d'Italia | ||
| 05/06 | Stage 12 | 10 |
| 19/06 | Giro della Toscane | 2 |
| 26/07 | Milano - Vignola | 16 |
| 02/08 | Trofeo Matteotti | 3 |
| 19/08 | Coppa Bernocchi | 4 |
| 21/08 | Coppa Agostoni | 24 |
| 29/08 | Giro del Veneto | 11 |
| 06/09 | World Championships Road Race | 26 |
Rider information for 1992
| Rank | 126 |
| Score | 518 |
| Name | Leonardo SIERRA |
| Country | Venezuela |
| Team | ZG Mobili - Selle Italia |
| Date | Race | Rank |
| 17/02 | Trofeo Laigueglia | 3 |
| 08/03 | Giro di Campania | 2 |
| Tirreno - Adriatico | ||
| 17/03 | General Classification | 11 |
| 01/05 | G.P. Industria e Artigianato | 12 |
| Giro del Trentino | ||
| 13/05 | Stage 3 | 3 |
| 14/05 | General Classification | 3 |
| 19/05 | Giro dell'Appennino | 18 |
| 19/06 | Giro della Toscane | 2 |
| 18/08 | Coppa Bernocchi | 8 |
| 20/08 | Tre Valli Varesine | 10 |
| Giro d'Italia | ||
| General Classification | 39 |
Rider information for 1993
| Rank | 122 |
| Score | 457 |
| Name | Leonardo SIERRA |
| Country | Venezuela |
| Team | ZG Mobili |
| Date | Race | Rank |
| 15/02 | Trofeo Laigueglia | 49 |
| 25/04 | Giro dell'Appennino | 23 |
| 01/05 | G.P. Industria e Artigianato | 36 |
| Giro d'Italia | ||
| General Classification | 63 |
Rider information for 1994
| Rank | 407 |
| Score | 80 |
| Name | Leonardo SIERRA |
| Country | Venezuela |
| Team | Carrera - Tassoni |
| Date | Race | Rank |
| Tirreno - Adriatico | ||
| 15/03 | General Classification | 50 |
| Critérium International | ||
| 26/03 | General Classification | 30 |
| 01/05 | Rund um den Henninger Turm | 63 |
| Tour de France | ||
| 01/07 | Prologue | 47 |
| 02/07 | Stage 1 | 168 |
| 03/07 | Stage 2 | 130 |
| 05/07 | Stage 4 | 83 |
| 06/07 | Stage 5 | 76 |
| 07/07 | Stage 6 | 74 |
| 08/07 | Stage 7 | 140 |
| 09/07 | Stage 8 | 66 |
| 11/07 | Stage 9 | 42 |
| 12/07 | Stage 10 | 100 |
| 13/07 | Stage 11 | 47 |
| 14/07 | Stage 12 | 38 |
| 15/07 | Stage 13 | 78 |
| 16/07 | Stage 14 | 35 |
| 18/07 | Stage 15 | 45 |
| 20/07 | Stage 17 | 83 |
| 21/07 | Stage 18 | 69 |
| 22/07 | Stage 19 | 46 |
| 23/07 | Stage 20 | 64 |
| General Classification | 50 | |
| 06/08 | Wincanton Classic | 29 |
| 12/08 | Clasica San Sebastian | 51 |
| Vuelta a España | ||
| 02/09 | Prologue | 72 |
| Tour de Suisse | ||
| General Classification | 41 |
Rider information for 1995
| Rank | 314 |
| Score | 139 |
| Name | Leonardo SIERRA |
| Country | Venezuela |
| Team | Carrera - Tassoni |
No results available in season 1996.
Rider information for 1996
| Rank | 1762 |
| Score | 0 |
| Name | Leonardo SIERRA |
| Country | Venezuela |
| Team | Ideal - Aster Lichy |