| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Léoncé Eugene Ernest•Oleffe |
| Used name | Léoncé•Oleffe |
| Born | 25 August 1897 in Mont-Saint-Guibert, Brabant Wallon (BEL) |
| Died | 19 November 1972 (aged 75 years 2 months 25 days) in Woluwé-Saint-Pierre, Région de Bruxelles-Capitale (BEL) |
| NOC | Belgium |
Léoncé Oleffe was a Belgian track and field athlete who specialised in middle-distance running. Oleffe ran in the 800 metres at the 1920 Antwerpen Olympics where he was eliminated in the heats. Two years later he won the silver medal in the 1,500 metres at the Belgian Athletics Championships.
Personal Bests: 800 – unknown; 1500 – unknown.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Athletics | BEL |
Léoncé Oleffe | |||
| 800 metres, Men (Olympic) | 7 h2 r1/3 |