| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Darragh Greene | 200 L Breast | Prelims | 2:11.09 |
| 2 | Daniel Wiffen | 1500 L Free | Prelims | 15:07.69 |
| 3 | Daniel Wiffen | 800 L Free | Prelims | 7:51.65 |
| 4 | Jack Mc Millan | 200 L Free | Prelims | 1:46.66 |
| 5 | Brendan Hyland | 200 L Fly | Prelims | 1:57.09 |
| 6 | Darragh Greene | 100 L Breast | Prelims | 1:00.30 |
| 7 | Shane Ryan | 100 L Fly | Prelims | 52.52 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Swim Ireland | 800 L Free Relay | Prelims | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Daniel Wiffen | 0 | 0 | 0 | – | 882.5 |
| 2 | Darragh Greene | 0 | 0 | 0 | – | 865.0 |
| 3 | Brendan Hyland | 0 | 0 | 0 | – | 846.0 |
| 4 | Shane Ryan | 0 | 0 | 0 | – | 835.0 |
