| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Sonia•Castelein | |
| Used name | Sonia•Castelein | |
| Born | 10 June 1954 in Leuven, Vlaams Brabant |  BEL |
| Measurements | 162 cm / 40 kg | |
| Affiliations | Daring Club Leuven Atletiek — Leuven, Vlaams Brabant | BEL |
| NOC | Belgium | BEL |
Personal Best: 1500 – 4:11.3 (1976).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1976 Summer Olympics | Athletics | BEL |
Sonia Castelein | |||
| 1,500 metres, Women (Olympic) | 9 h1 r2/3 |
