All available race results Jules Masselis
| Date | Race | Rank |
| 19/04 | Paris - Roubaix | 10 |
| Tour de Belgique | ||
| 30/05 | Stage 2 | 7 |
| 01/06 | Stage 3 | 4 |
| 03/06 | Stage 4 | 3 |
| 05/06 | Stage 5 | 13 |
| 07/06 | Stage 6 | 3 |
| Tour de France | ||
| 13/07 | Stage 1 | 21 |
| 15/07 | Stage 2 | 31 |
Rider information for 1908
| Rank | 47 |
| Score | 275 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Alcyon - Dunlop |
| Date | Race | Rank |
| 11/04 | Paris - Roubaix | 3 |
| 18/04 | Sedan - Bruxelles | 7 |
| 16/05 | Paris - Liège | 1 |
| Tour de Belgique | ||
| 20/05 | Stage 1 | 5 |
| 22/05 | Stage 2 | 2 |
| 20/06 | Paris - Bruxelles | 5 |
Rider information for 1909
| Rank | 39 |
| Score | 508 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Alcyon - Dunlop |
| Date | Race | Rank |
| 27/03 | Paris - Roubaix | 8 |
| 17/04 | Paris - Menin | 2 |
| 01/05 | Paris - Bruxelles | 4 |
| Tour de Belgique | ||
| 05/06 | Stage 1 | 2 |
| 07/06 | Stage 2 | 2 |
| 09/06 | Stage 3 | 3 |
| 12/06 | Stage 4 | 3 |
| 14/06 | Stage 5 | 1 |
| 16/06 | Stage 6 | 3 |
| 19/06 | Stage 7 | 1 |
| General Classification | 1 |
Rider information for 1910
| Rank | 14 |
| Score | 1070 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Alcyon - Dunlop |
| Date | Race | Rank |
| 02/04 | Milano - Sanremo | 13 |
| 23/04 | Antwerpen - Menen | 7 |
| 13/05 | Bordeaux - Paris | 3 |
| Tour de Belgique | ||
| 21/05 | Stage 1 | 9 |
| 23/05 | Stage 2 | 18 |
| 25/05 | Stage 3 | 2 |
| 28/05 | Stage 4 | 3 |
| 11/06 | Paris - Bruxelles | 8 |
| Tour de France | ||
| 02/07 | Stage 1 | 2 |
| 04/07 | Stage 2 | 1 |
| 06/07 | Stage 3 | 8 |
| 08/07 | Stage 4 | 22 |
Rider information for 1911
| Rank | 29 |
| Score | 789 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Alcyon - Dunlop |
| Date | Race | Rank |
| 31/03 | Milano - Sanremo | 3 |
| 07/04 | Paris - Roubaix | 6 |
| 28/04 | Paris - Menin | 1 |
| Tour de Belgique | ||
| 05/05 | Stage 1 | 9 |
| 09/06 | Paris - Bruxelles | 11 |
Rider information for 1912
| Rank | 38 |
| Score | 630 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Alcyon - Soly |
| Date | Race | Rank |
| 23/03 | Paris - Roubaix | 7 |
| 30/03 | Milano - Sanremo | 12 |
| 20/04 | Paris - Menin | 10 |
| Tour de Belgique | ||
| 27/04 | Stage 1 | 4 |
| 01/05 | Stage 3 | 22 |
| 04/05 | Stage 4 | 11 |
| 17/05 | Bordeaux - Paris | 6 |
| Tour de France | ||
| 29/06 | Stage 1 | 3 |
| 01/07 | Stage 2 | 1 |
| 03/07 | Stage 3 | 32 |
| 05/07 | Stage 4 | 26 |
| 07/07 | Stage 5 | 28 |
| 09/07 | Stage 6 | 17 |
Rider information for 1913
| Rank | 38 |
| Score | 694 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Alcyon - Soly |
| Date | Race | Rank |
| 05/04 | Milano - Sanremo | 13 |
Rider information for 1914
| Rank | 154 |
| Score | 97 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | La Française - Hutchinson |
| Date | Race | Rank |
| 09/04 | Tours - Paris | 15 |
| 28/05 | Mont Saint-Michel - Paris | 7 |
Rider information for 1917
| Rank | 71 |
| Score | 34 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Individual |
No results available in season 1918.
Rider information for 1918
| Rank | 91 |
| Score | 29 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 08/06 | Paris - Tours | 11 |
| Tour de France | ||
| 29/06 | Stage 1 | 11 |
| 01/07 | Stage 2 | 15 |
| 03/07 | Stage 3 | 5 |
| 05/07 | Stage 4 | 8 |
| 07/07 | Stage 5 | 13 |
| 09/07 | Stage 6 | 7 |
| 11/07 | Stage 7 | 9 |
| 13/07 | Stage 8 | 13 |
Rider information for 1919
| Rank | 57 |
| Score | 422 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | La Sportive |
| Date | Race | Rank |
| 04/04 | Paris - Roubaix | 12 |
| 02/05 | Paris - Tours | 6 |
| 13/06 | Paris - Bruxelles | 7 |
| Tour de France | ||
| 27/06 | Stage 1 | 14 |
| 29/06 | Stage 2 | 6 |
| 01/07 | Stage 3 | 18 |
| 03/07 | Stage 4 | 20 |
| 05/07 | Stage 5 | 22 |
| 07/07 | Stage 6 | 16 |
Rider information for 1920
| Rank | 42 |
| Score | 525 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | La Sportive |
| Date | Race | Rank |
| 13/03 | Ronde van Vlaanderen | 10 |
| 27/03 | Paris - Roubaix | 16 |
| 24/04 | Paris - Dinant | 3 |
| Tour de Belgique | ||
| 01/05 | Stage 1 | 15 |
| 03/05 | Stage 2 | 31 |
Rider information for 1921
| Rank | 96 |
| Score | 235 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Individual |
No results available in season 1926.
Rider information for 1926
| Rank | 1036 |
| Score | 1 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 22/05 | Paris - Menin | 16 |
Rider information for 1927
| Rank | 1038 |
| Score | 4 |
| Name | Jules MASSELIS |
| Country | Belgium |
| Team | Individual |