| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Antoni Kałużyński | 400 L Free | Finals | 3:51.08 |
| 2 | Kacper Stokowski | 50 L Back | Finals | 25.38 |
| 3 | Antoni Kałużyński | 400 L Free | Prelims | 3:52.45 |
| 4 | Kacper Stokowski | 50 L Back | Semifinals | 25.49 |
| 5 | Kacper Stokowski | 100 L Back | Finals | 55.04 |
| 6 | Kacper Stokowski | 50 L Back | Prelims | 25.54 |
| 7 | Kacper Stokowski | 100 L Back | Finals | 55.09 |
| 8 | Karol Ostrowski | 100 L Free | Finals | 49.87 |
| 9 | Kamil Kazmierczak | 50 L Back | Finals | 25.59 |
| 10 | Bartosz Piszczorowicz | 100 L Free | Prelims | 49.96 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Poland (B) | 800 L Free Relay | Finals | |
| 2 | Poland (B) | 400 L Free Relay | Finals | |
| 3 | Poland (B) | 400 L Medley Relay | Finals | |
| 4 | Poland | 800 L Free Relay | Prelims | |
| 5 | Poland | 400 L Free Relay | Prelims | |
| 6 | Poland | 400 L Medley Relay | Prelims | |
| Name | Gold | Silver | Bronze | Score | Pts | |
|---|---|---|---|---|---|---|
| 1 | Kacper Stokowski | 0 | 1 | 1 | – | 818.5 |
| 2 | Bartosz Piszczorowicz | 0 | 1 | 0 | – | 826.0 |
| 3 | Karol Ostrowski | 0 | 1 | 0 | – | 806.0 |
| 4 | Jakub Kraska | 0 | 1 | 0 | – | 754.5 |
| 5 | Antoni Kaluzynski | 0 | 0 | 0 | – | 813.3 |
