| Championship | Event | # | Competitor |
|---|---|---|---|
| National Team Youth 2018 | 100m Manikin Tow with Fins | 14 |
Michal CALKIEWICZ - Poland National Team Youth (POL) |
| Championship | Event | # | Competitors |
|---|---|---|---|
| National Team Youth 2018 | 4x25m Manikin Relay | 2 |
Poland National Team Youth
() Michal CALKIEWICZ , Mateusz DUBAS, Mateusz LISS, Hubert NAKIELSKI |
| National Team Youth 2018 | 4x50m Obstacle Relay | 4 |
Poland National Team Youth
() Michal CALKIEWICZ , Mateusz DUBAS, Mateusz LISS, Hubert NAKIELSKI |
| National Team Youth 2018 | 4x50m Medley Relay | 4 |
Poland National Team Youth
() Michal CALKIEWICZ , Mateusz DUBAS, Mateusz LISS, Hubert NAKIELSKI |
| National Team Youth 2018 | Line Throw | 10 |
Poland National Team Youth
() Michal CALKIEWICZ , Mateusz DUBAS |