| Code | SWI-F-004102 |
|---|---|
| Gender | Female |
| Full name | Irène Maria Jo Arnoldina "Iet"•Koster-van Feggelen |
| Used name | Iet•Koster-van Feggelen |
| Born | 20 August 1921 |
| Died | 17 July 2012 |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Swimming | 1938 European Aquatics Championships | London | 100 m Backstroke, Women | 🥈 | as Iet van Feggelen | ||
| Swimming | 1947 USA Swimming National Championships (Outdoor/LCM) | Tyler, TX; Chicago, IL | 100 m Backstroke, Women | 🥉 | |||
| Swimming | 1947 European Aquatics Championships | Monte Carlo | 100 m Backstroke, Women | 🥉 |