| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Eoin Corby | 200 L Breast | Finals | 2:13.35 |
| 2 | Eoin Corby | 200 L Breast | Semifinals | 2:14.95 |
| 3 | Eoin Corby | 200 L Breast | Prelims | 2:15.24 |
| 4 | Eoin Corby | 100 L Breast | Finals | 1:01.05 |
| 5 | Eoin Corby | 100 L Breast | Semifinals | 1:01.25 |
| 6 | Eoin Corby | 100 L Breast | Prelims | 1:01.88 |
| 7 | Daniel Wiffen | 800 L Free | Timed Finals | 8:13.72 |
| 8 | Daniel Wiffen | 1500 L Free | Timed Finals | 15:52.94 |
| 9 | Sean McNicholl | 100 L Free | Prelims | 51.48 |
| 10 | Sean Scannell | 100 L Back | Prelims | 56.99 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Swim Ireland | 400 L Medley Relay | Prelims | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Eoin Corby | 0 | 0 | 0 | – | 820.5 |
| 2 | Daniel Wiffen | 0 | 0 | 0 | – | 766.0 |
| 3 | Sean McNicholl | 0 | 0 | 0 | – | 757.0 |
| 4 | Sean Scannell | 0 | 0 | 0 | – | 742.7 |
| 5 | Patrick Johnston | 0 | 0 | 0 | – | 738.0 |
