| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | István•Ruják |
| Used name | István•Ruják |
| Born | 10 June 1958 in Budapest, Budapest (HUN) |
| Measurements | 188 cm / 89 kg |
| Affiliations | Székesfehérvári Épitök |
| NOC |  Hungary |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1980 Summer Olympics | Sailing | HUN |
István Ruják | |||
| One-Person Heavyweight Dinghy, Men (Olympic) | 9 |
