All available race results Guillaume Macquoi
| Date | Race | Rank |
| 21/07 | Bruxelles - Esneux | 5 |
Rider information for 1912
| Rank | 251 |
| Score | 62 |
| Name | Guillaume MACQUOI |
| Country | Belgium |
| Team | Individual |
No results available in season 1913.
Rider information for 1913
| Rank | 425 |
| Score | 20 |
| Name | Guillaume MACQUOI |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 19/04 | Bruxelles - Liège | 1 |
| 21/06 | Bruxelles - Esneux | 2 |
Rider information for 1914
| Rank | 294 |
| Score | 27 |
| Name | Guillaume MACQUOI |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 08/06 | Bruxelles - Liège | 2 |
Rider information for 1919
| Rank | 346 |
| Score | 16 |
| Name | Guillaume MACQUOI |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 06/06 | Liège - Bastogne - Liège | 15 |
Rider information for 1920
| Rank | 171 |
| Score | 88 |
| Name | Guillaume MACQUOI |
| Country | Belgium |
| Team | Individual |
No results available in season 1921.
Rider information for 1921
| Rank | 214 |
| Score | 78 |
| Name | Guillaume MACQUOI |
| Country | Belgium |
| Team | Individual |
No results available in season 1922.
Rider information for 1922
| Rank | 188 |
| Score | 95 |
| Name | Guillaume MACQUOI |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 01/04 | Bruxelles - Luxembourg - Mondorf | 33 |
| Tour de Belgique | ||
| 29/04 | Stage 1 | 37 |
| 01/05 | Stage 2 | 20 |
| 03/05 | Stage 3 | 13 |
| 05/05 | Stage 4 | 11 |
| 06/05 | Stage 5 | 17 |
| 06/05 | General Classification | 16 |
| 19/08 | Paris - Jemeppe-sur-Meuse | 2 |
Rider information for 1923
| Rank | 130 |
| Score | 202 |
| Name | Guillaume MACQUOI |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| Tour de Belgique | ||
| 20/04 | Stage 1 | 38 |
| 21/04 | Stage 2 | 48 |
Rider information for 1924
| Rank | 1011 |
| Score | 0 |
| Name | Guillaume MACQUOI |
| Country | Belgium |
| Team | Daring - Alix |