| Code | SWI-M-015500 |
|---|---|
| Gender | Male |
| Full name | Jerzy Mateusz•Twarowski |
| Used name | Jerzy•Twarowski |
| Born | 19 December 1995 |
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Swimming | 2011 European Youth Summer Olympic Festival | Trabzon | 200 m Butterfly, Men | 🥉 | |||
| Swimming | 2011 European Youth Summer Olympic Festival | Trabzon | 4 x 100 m Medley Relay, Men | 🥉 | |||
| Swimming | 2013 European Junior Swimming Championships | Poznań | 4 x 100 m Medley Relay, Mixed | 🥉 | |||
| Swimming | 2013 World Junior Swimming Championships | Dubai | 4 x 100 m Medley Relay, Men | 6 | |||
| Swimming | 2013 World Junior Swimming Championships | Dubai | 4 x 100 m Medley Relay, Mixed | 9 |