| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Charles•Biefer |
| Used name | Charles•Biefer |
| Other names | Karl Biefer |
| Born | 1896 |
| Affiliations | SC Arbon, Arbon (SUI) |
| NOC | Switzerland |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Water Polo (Aquatics) | SUI |
Charles Biefer | |||
| Water Polo, Men (Olympic) | Switzerland | =9 | ||||
| 1924 Summer Olympics | Water Polo (Aquatics) | SUI |
Charles Biefer | |||
| Water Polo, Men (Olympic) | Switzerland | =10 |