All available race results Octave Dayen
| Date | Race | Rank |
| 29/07 | World Championships Road Race (Amateurs) | 1 |
Rider information for 1926
| Rank | 98 |
| Score | 281 |
| Name | Octave DAYEN |
| Country | France |
| Team | Individual |
No results available in season 1927.
Rider information for 1927
| Rank | 567 |
| Score | 26 |
| Name | Octave DAYEN |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 07/08 | Olympic Games Amsterdam - Road Race | 23 |
Rider information for 1928
| Rank | 345 |
| Score | 64 |
| Name | Octave DAYEN |
| Country | France |
| Team | Individual |
No results available in season 1929.
Rider information for 1929
| Rank | 694 |
| Score | 14 |
| Name | Octave DAYEN |
| Country | France |
| Team | Individual |
No results available in season 1931.
Rider information for 1931
| Rank | 536 |
| Score | 24 |
| Name | Octave DAYEN |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 25/03 | Critérium National | 24 |
Rider information for 1934
| Rank | 1394 |
| Score | 0 |
| Name | Octave DAYEN |
| Country | France |
| Team | Oscar Egg - Hutchinson |
| Date | Race | Rank |
| 03/05 | Paris - Tours | 35 |
Rider information for 1936
| Rank | 847 |
| Score | 13 |
| Name | Octave DAYEN |
| Country | France |
| Team | Mercier - Hutchinson |