| Code | SWI-M-011365 |
|---|---|
| Gender | Male |
| Used name | G. G.•Gerkens |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Swimming | 1938 European Aquatics Championships | London | 200 m Breaststroke, Men | 11 | |||
| Swimming | 1939 International Universities Championships | Monte Carlo | 200 m Breaststroke, Men | 4 |