| Roles | Non-starter | |
|---|---|---|
| Sex | Male | |
| Full name | Karl•Bielser | |
| Used name | Karl•Bielser | |
| Affiliations | FC Basel — Basel, Basel-Stadt |  SUI |
| NOC | Switzerland | SUI |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1928 Summer Olympics | Football (Football) | SUI |
Karl Bielser | |||
| Football, Men (Olympic) | Switzerland |
