All available race results Derek Harrison
| Date | Race | Rank |
| 22/10 | Olympic Games Tokyo - Road Race | 31 |
Rider information for 1964
| Rank | 529 |
| Score | 39 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| Tour de l'Avenir | ||
| 20/06 | Stage 1 | 10 |
Rider information for 1965
| Rank | 1164 |
| Score | 1 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| Tour de l'Avenir | ||
| 05/07 | Stage 4 | 2 |
Rider information for 1966
| Rank | 723 |
| Score | 10 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 02/09 | World Championships Road Race (Amateurs) | 61 |
| Tour de l'Avenir | ||
| General Classification | 9 |
Rider information for 1967
| Rank | 393 |
| Score | 57 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 03/03 | Genova - Nizza | 17 |
| 31/03 | Vier Kantone-Rundfahrt | 16 |
| 05/05 | Meisterschaft von Zürich | 12 |
| Tour de Romandie | ||
| 12/05 | General Classification | 28 |
| Tour de Suisse | ||
| 21/06 | Stage 8 | 3 |
| 22/06 | General Classification | 35 |
| Tour de France | ||
| 27/06 | Prologue | 20 |
| 28/06 | Stage 1 | 87 |
| 29/06 | Stage 2 | 57 |
| 30/06 | Stage 3b | 70 |
| 01/07 | Stage 4 | 94 |
Rider information for 1968
| Rank | 185 |
| Score | 234 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | Frimatic - Wolber - De Gribaldy |
| Date | Race | Rank |
| 02/03 | Genova - Nizza | 6 |
| Paris - Nice | ||
| 10/03 | Stage 1a | 7 |
| 20/04 | Vier Kantone-Rundfahrt | 18 |
| Tour de Romandie | ||
| 10/05 | Stage 3a | 3 |
| 11/05 | General Classification | 44 |
| Six-Provinces - Dauphiné Libéré | ||
| 31/05 | General Classification | 41 |
| G.P. du Midi-Libre | ||
| 08/06 | Stage 4a | 1 |
| 08/06 | General Classification | 5 |
| Tour de Suisse | ||
| 20/06 | Stage 9b | 6 |
| 20/06 | General Classification | 15 |
| Tour de France | ||
| 28/06 | Prologue | 28 |
| 29/06 | Stage 1a | 50 |
| 30/06 | Stage 2 | 3 |
| 01/07 | Stage 3 | 81 |
| 02/07 | Stage 4 | 69 |
| 03/07 | Stage 5 | 17 |
| 04/07 | Stage 6 | 13 |
| 05/07 | Stage 7 | 44 |
| 06/07 | Stage 8a | 15 |
| 06/07 | Stage 8b | 30 |
| 07/07 | Stage 9 | 18 |
| 08/07 | Stage 10 | 67 |
| 09/07 | Stage 11 | 23 |
| 10/07 | Stage 12 | 55 |
| 11/07 | Stage 13 | 59 |
| 12/07 | Stage 14 | 86 |
| 13/07 | Stage 15 | 29 |
| 14/07 | Stage 16 | 54 |
| 15/07 | Stage 17 | 87 |
| 16/07 | Stage 18 | 77 |
| 17/07 | Stage 19 | 80 |
| 18/07 | Stage 20 | 61 |
| 19/07 | Stage 21 | 76 |
| 20/07 | Stage 22a | 62 |
| 20/07 | Stage 22b | 33 |
| General Classification | 32 | |
| 03/08 | Grosser Preis des Kantons Aargau - Gippingen | 45 |
| 05/10 | G.P. de Fourmies | 53 |
Rider information for 1969
| Rank | 80 |
| Score | 638 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | Frimatic - Viva - Wolber - De Gribaldy |
| Date | Race | Rank |
| 15/02 | Trofeo Laigueglia | 16 |
| 28/02 | Gran Premio de Valencia | 4 |
| Setmana Catalana | ||
| 09/04 | Stage 4 | 5 |
| Six-Provinces - Dauphiné Libéré | ||
| 25/05 | General Classification | 70 |
Rider information for 1970
| Rank | 506 |
| Score | 24 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | Fagor - Mercier - Hutchinson |
| Date | Race | Rank |
| Paris - Nice | ||
| 16/03 | Stage 6 | 2 |
| 17/03 | Stage 7b | 8 |
| 17/03 | General Classification | 15 |
| 31/03 | Gent - Wevelgem | 81 |
| 27/04 | Nokere Koerse | 21 |
| G.P. du Midi-Libre | ||
| 06/06 | General Classification | 54 |
Rider information for 1971
| Rank | 231 |
| Score | 198 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | TI - Carlton |
| Date | Race | Rank |
| Tour de Suisse | ||
| 23/06 | Stage 8b | 4 |
| 23/06 | General Classification | 7 |
Rider information for 1972
| Rank | 235 |
| Score | 175 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | TI - Raleigh |
| Date | Race | Rank |
| Paris - Nice | ||
| 17/03 | General Classification | 19 |
Rider information for 1973
| Rank | 273 |
| Score | 111 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | TI - Raleigh |
No results available in season 1974.
Rider information for 1974
| Rank | 996 |
| Score | 0 |
| Name | Derek HARRISON |
| Country | Great Britain |
| Team | TI - Carlton |