| Roles | Competed in Olympic Games • Non-starter | |
|---|---|---|
| Sex | Male | |
| Full name | Francis•Demarthon | |
| Used name | Francis•Demarthon | |
| Born | 8 August 1950 in Frangy, Haute-Savoie |  FRA |
| Measurements | 178 cm / 65 kg | |
| Affiliations | ASPTT Bordeaux — Bordeaux, Gironde | FRA |
| NOC | France | FRA |
Personal Best: 400 – 45.89 (1979).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Athletics | FRA |
Francis Demarthon | |||
| 4 × 400 metres Relay, Men (Olympic) | France | |||||
| 1980 Summer Olympics | Athletics | FRA |
Francis Demarthon | |||
| 400 metres, Men (Olympic) | 5 h1 r2/4 | |||||
| 4 × 400 metres Relay, Men (Olympic) | France | 4 |
