All available race results Joseph Le Boubennec
| Date | Race | Rank |
| 23/05 | Paris - La Flèche | 27 |
Rider information for 1920
| Rank | 800 |
| Score | 0 |
| Name | Joseph LE BOUBENNEC |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 02/09 | Paris - Brest - Paris | 31 |
Rider information for 1921
| Rank | 355 |
| Score | 30 |
| Name | Joseph LE BOUBENNEC |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 16/04 | Paris - Roubaix | 71 |
| 11/06 | Circuit de Paris | 51 |
Rider information for 1922
| Rank | 548 |
| Score | 12 |
| Name | Joseph LE BOUBENNEC |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 10/05 | Bordeaux - Paris | 13 |
| 07/06 | Circuit de Paris | 20 |
Rider information for 1925
| Rank | 210 |
| Score | 111 |
| Name | Joseph LE BOUBENNEC |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 29/05 | Bordeaux - Paris | 14 |
| Tour de France | ||
| 20/06 | Stage 1 | 96 |
| 22/06 | Stage 2 | 82 |
| 24/06 | Stage 3 | 86 |
| 26/06 | Stage 4 | 68 |
| 28/06 | Stage 5 | 78 |
| 30/06 | Stage 6 | 62 |
| 02/07 | Stage 7 | 67 |
| 03/07 | Stage 8 | 59 |
| 05/07 | Stage 9 | 75 |
| 25/07 | Paris - Strasbourg | 21 |
Rider information for 1926
| Rank | 235 |
| Score | 95 |
| Name | Joseph LE BOUBENNEC |
| Country | France |
| Team | Batam |