All available race results Guillermo de la Peña Garrido
| Date | Race | Rank |
| Tour de l'Avenir | ||
| 09/09 | Stage 6 | 2 |
| 13/09 | Stage 10 | 5 |
| 16/09 | General Classification | 12 |
Rider information for 1979
| Rank | 455 |
| Score | 33 |
| Name | Guillermo DE LA PEÑA GARRIDO |
| Country | Spain |
| Team | Individual |
| Date | Race | Rank |
| Volta Ciclista a Catalunya | ||
| 10/09 | General Classification | 27 |
Rider information for 1980
| Rank | 487 |
| Score | 32 |
| Name | Guillermo DE LA PEÑA GARRIDO |
| Country | Spain |
| Team | Zor - Vereco - Campagnolo |
| Date | Race | Rank |
| Vuelta a España | ||
| 21/04 | Prologue | 60 |
| 22/04 | Stage 1 | 51 |
| 23/04 | Stage 2 | 40 |
| 24/04 | Stage 3 | 54 |
| 25/04 | Stage 4 | 56 |
| 26/04 | Stage 5 | 54 |
| 28/04 | Stage 7 | 42 |
| 29/04 | Stage 8b | 11 |
| 30/04 | Stage 9 | 38 |
| 01/05 | Stage 10 | 61 |
| 02/05 | Stage 11 | 51 |
| 03/05 | Stage 12 | 44 |
| 05/05 | Stage 14 | 36 |
| 06/05 | Stage 15b | 60 |
| 06/05 | Stage 15a | 13 |
| 07/05 | Stage 16 | 16 |
| 08/05 | Stage 17 | 17 |
| 09/05 | Stage 18 | 25 |
| 10/05 | Stage 19 | 39 |
| General Classification | 20 | |
| 11/08 | Clasica San Sebastian | 9 |
| Giro d'Italia | ||
| General Classification | 32 | |
| Vuelta al Pais Vasco | ||
| General Classification | 15 |
Rider information for 1981
| Rank | 153 |
| Score | 384 |
| Name | Guillermo DE LA PEÑA GARRIDO |
| Country | Spain |
| Team | Zor - Helios - Novostil |
| Date | Race | Rank |
| 27/06 | Campeonato de España en carretera | 15 |
| Giro d'Italia | ||
| General Classification | 81 |
Rider information for 1982
| Rank | 418 |
| Score | 67 |
| Name | Guillermo DE LA PEÑA GARRIDO |
| Country | Spain |
| Team | Zor - Helios - Gemeaz Cusin |
| Date | Race | Rank |
| Vuelta a España | ||
| 19/04 | Prologue | 71 |
| 20/04 | Stage 1 | 47 |
| 21/04 | Stage 2 | 87 |
| 22/04 | Stage 3 | 66 |
| 23/04 | Stage 4 | 79 |
| 24/04 | Stage 5 | 16 |
| 25/04 | Stage 6 | 8 |
| 26/04 | Stage 7 | 57 |
| 27/04 | Stage 8 | 18 |
| 28/04 | Stage 9 | 16 |
| 29/04 | Stage 10 | 33 |
| 30/04 | Stage 11 | 51 |
| 01/05 | Stage 12 | 61 |
| 02/05 | Stage 13 | 7 |
| 03/05 | Stage 14 | 56 |
| 04/05 | Stage 15a | 43 |
| 04/05 | Stage 15b | 29 |
| 05/05 | Stage 16 | 62 |
| 06/05 | Stage 17 | 8 |
| 07/05 | Stage 18 | 21 |
| 08/05 | Stage 19 | 51 |
| 08/05 | General Classification | 11 |
| 17/08 | Clasica San Sebastian | 48 |
| Vuelta a Burgos | ||
| 29/09 | Stage 2 | 5 |
| 30/09 | Stage 3 | 5 |
| 02/10 | General Classification | 5 |
| Vuelta al Pais Vasco | ||
| General Classification | 49 |
Rider information for 1983
| Rank | 197 |
| Score | 275 |
| Name | Guillermo DE LA PEÑA GARRIDO |
| Country | Spain |
| Team | Hueso Chocolates |
| Date | Race | Rank |
| Vuelta a Andalucia - Ruta del Sol | ||
| 07/02 | General Classification | 28 |
| Vuelta al Pais Vasco | ||
| 04/04 | Stage 3 | 8 |
| General Classification | 16 | |
| 08/04 | Klasika Primavera de Amorebieta | 51 |
| Vuelta a España | ||
| 17/04 | Prologue | 46 |
| 18/04 | Stage 1 | 86 |
| 19/04 | Stage 2 | 9 |
| 20/04 | Stage 3 | 11 |
| 21/04 | Stage 4 | 11 |
| 22/04 | Stage 5 | 35 |
| 24/04 | Stage 7 | 31 |
| 25/04 | Stage 8 | 60 |
| 26/04 | Stage 9 | 67 |
| 29/04 | Stage 12 | 11 |
| 30/04 | Stage 13 | 47 |
| 01/05 | Stage 14 | 8 |
| 02/05 | Stage 15 | 53 |
| 04/05 | Stage 17 | 19 |
| 06/05 | Stage 19 | 51 |
| General Classification | 16 | |
| 16/08 | Clasica San Sebastian | 75 |
Rider information for 1984
| Rank | 226 |
| Score | 227 |
| Name | Guillermo DE LA PEÑA GARRIDO |
| Country | Spain |
| Team | Hueso Chocolates |
| Date | Race | Rank |
| Vuelta a Murcia | ||
| 03/03 | General Classification | 15 |
| 07/04 | Klasika Primavera de Amorebieta | 25 |
| Vuelta a España | ||
| 25/04 | Stage 2 | 149 |
| 26/04 | Stage 3 | 155 |
| 29/04 | Stage 6 | 51 |
| 30/04 | Stage 7 | 39 |
| 02/05 | Stage 9 | 36 |
| 03/05 | Stage 10 | 16 |
| 04/05 | Stage 11 | 24 |
| 05/05 | Stage 12 | 20 |
| 06/05 | Stage 13 | 57 |
| 23/06 | Campeonato de España en carretera | 31 |
Rider information for 1985
| Rank | 501 |
| Score | 50 |
| Name | Guillermo DE LA PEÑA GARRIDO |
| Country | Spain |
| Team | Hueso Chocolates |
| Date | Race | Rank |
| Vuelta a España | ||
| 22/04 | Prologue | 167 |
| 23/04 | Stage 1 | 62 |
| 24/04 | Stage 2 | 83 |
| 27/04 | Stage 5 | 46 |
| 30/04 | Stage 8 | 53 |
| 01/05 | Stage 9 | 88 |
| 02/05 | Stage 10 | 103 |
| General Classification | 49 | |
| 21/06 | Campeonato de España en carretera | 81 |
Rider information for 1986
| Rank | 558 |
| Score | 40 |
| Name | Guillermo DE LA PEÑA GARRIDO |
| Country | Spain |
| Team | Colchon CR |