| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Ksawery•Masiuk |
| Used name | Ksawery•Masiuk |
| Born | 17 December 2004 |
| NOC | Poland |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2024 Summer Olympics | Swimming (Aquatics) | POL |
Ksawery Masiuk | |||
| 100 metres Backstroke, Men (Olympic) | =12 | |||||
| 200 metres Backstroke, Men (Olympic) | 17 | |||||
| 4 × 100 metres Medley Relay, Men (Olympic) | Poland | 10 |