| Championship | Event | # | Competitor |
|---|---|---|---|
| National Team Youth 2018 | 100m Manikin Tow with Fins | 16 |
Mateusz LISS - Poland National Team Youth (POL) |
| National Team Youth 2018 | 100m Rescue Medley | 16 |
Mateusz LISS - 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 |