| Code | |
|---|---|
| Gender | Female |
| Full name | Grietje•Hooisma (-Bosman) |
| Used name | Grietje•Hooisma |
| Born | 30 May 1951 |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Athletics | 1985 Marathon Amsterdam | Amsterdam | Marathon, Women | 🥈 | |||
| Athletics | 1986 Marathon Amsterdam | Amsterdam | Marathon, Women | 🥉 |