| Code | |
|---|---|
| Gender | Male |
| Full name | Maciej Leszek•Kozak |
| Used name | Maciej•Kozak |
| Born | 12 August 1970 |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Ju-Jitsu | 2017 World Games | Wrocław | Team, Mixed | 🥉 | |||
| Ju-Jitsu | 2017 World Games | Wrocław | ne-waza 77 kg, Men | 🥉 |