| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Jozef•Koščak |
| Used name | Jozef•Koščak |
| Born | 8 June 1903 in Košice, Košice (SVK) |
| Died | 10 January 1979 in Brno, Jihomoravský kraj (CZE) |
| Measurements | 172 cm / 70 kg |
| Affiliations | Moravská Slavia Brno, Brno (CZE) |
| NOC | Czechoslovakia |
| Nationality | Slovakia |
Personal Best: 5000 – 15:12.3 (1934).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | Nationality | As | |
|---|---|---|---|---|---|---|---|
| 1928 Summer Olympics | Athletics | TCH |
SVK |
Jozef Koščak | |||
| 5,000 metres, Men (Olympic) | 8 h2 r1/2 |