| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Daniel Wiffen | 1500 S Free | Prelims | 14:32.13 |
| 2 | Daniel Wiffen | 1500 S Free | Finals | 14:36.78 |
| 3 | Jack Mc Millan | 200 S Free | Finals | 1:42.84 |
| 4 | Jack Mc Millan | 200 S Free | Prelims | 1:42.98 |
| 5 | Jack Mc Millan | 200 S Free | Prelims | 1:43.13 |
| 6 | Jack Mc Millan | 100 S Free | Semifinals | 46.70 |
| 7 | Jack Mc Millan | 100 S Free | Finals | 46.97 |
| 8 | Jack Mc Millan | 100 S Free | Prelims | 47.04 |
| 9 | Jack Mc Millan | 100 S Free | Prelims | 47.82 |
| 10 | Jack Mc Millan | 200 S IM | Prelims | 1:57.13 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Swim Ireland | 800 S Free Relay | Finals | |
| 2 | Swim Ireland | 800 S Free Relay | Prelims | |
| 3 | Swim Ireland | 400 S Free Relay | Prelims | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Daniel Wiffen | 0 | 0 | 0 | – | 919.0 |
| 2 | Jack Mc Millan | 0 | 0 | 0 | – | 867.6 |
| 3 | Jordan Sloan | 0 | 0 | 0 | – | 812.0 |
| 4 | Calum Bain | 0 | 0 | 0 | – | 804.5 |
| 5 | Brendan Hyland | 0 | 0 | 0 | – | 785.0 |
