| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Shane Ryan | 50 L Back | Finals | 25.13 |
| 2 | Darragh Greene | 200 L Breast | Finals | 2:12.89 |
| 3 | Shane Ryan | 100 L Back | Finals | 54.69 |
| 4 | Shane Ryan | 50 L Back | Prelims | 25.48 |
| 5 | Brendan Hyland | 100 L Fly | Finals | 53.04 |
| 6 | Conor Ferguson | 100 L Back | Finals | 55.29 |
| 7 | Brendan Hyland | 200 L Fly | Finals | 1:59.05 |
| 8 | Darragh Greene | 100 L Breast | Finals | 1:01.01 |
| 9 | Darragh Greene | 50 L Breast | Finals | 27.72 |
| 10 | Conor Ferguson | 50 L Back | Finals | 25.91 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Swim Ireland | 400 L Free Relay | Timed Finals | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Shane Ryan | 2 | 0 | 1 | – | 863.5 |
| 2 | Darragh Greene | 1 | 1 | 1 | – | 835.7 |
| 3 | Brendan Hyland | 0 | 1 | 2 | – | 785.0 |
| 4 | Conor Ferguson | 0 | 1 | 0 | – | 788.0 |
| 5 | Jordan Sloan | 0 | 0 | 1 | – | 753.0 |
