| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Octave Alfred•Dayen |
| Used name | Octave•Dayen |
| Born | 6 June 1906 in Parsac, Creuse (FRA) |
| Died | 14 September 1987 in Parsac, Creuse (FRA) |
| Affiliations | Vélo Club de Levallois, Levallois-Perret (FRA) |
| NOC | France |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1928 Summer Olympics | Cycling Road (Cycling) | FRA |
Octave Dayen | |||
| Road Race, Individual, Men (Olympic) | 23 | |||||
| Road Race, Team, Men (Olympic) | France | 7 | ||||
| Cycling Track (Cycling) | FRA |
Octave Dayen | ||||
| 1,000 metres Time Trial, Men (Olympic) | 4 | |||||
| Team Pursuit, 4,000 metres, Men (Olympic) | France | 4 |