| Championship | Event | # | Competitor |
|---|---|---|---|
| National Team Youth 2018 | 200m Obstacle Swim | 7 |
Mateusz DUBAS - 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 | 4x50m Pool Lifesaver Relay | 8 |
Poland National Team Youth
() Mateusz DUBAS , Hubert NAKIELSKI, Marta SKUDLIK, Julia WRÓBEL |
| National Team Youth 2018 | Line Throw | 10 |
Poland National Team Youth
() Michal CALKIEWICZ, Mateusz DUBAS |