| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Tom FANNON | 50 L Free | Finals | 22.53 |
| 2 | Tom FANNON | 50 L Free | Prelims | 22.63 |
| 3 | Jack Cassin | 200 L IM | Finals | 2:04.75 |
| 4 | Darragh Greene | 100 L Breast | Prelims | 1:02.30 |
| 5 | Jack Cassin | 400 L IM | Finals | 4:28.31 |
| 6 | Darragh Greene | 100 L Breast | Finals | 1:02.70 |
| 7 | Jack Cassin | 200 L IM | Prelims | 2:05.70 |
| 8 | Jack Cassin | 100 L Free | Prelims | 51.90 |
| 9 | Thomas Leggett | 100 L Free | Prelims | 51.95 |
| 10 | Evan Bailey | 100 L Free | Timed Finals | 52.01 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Swim Ireland | 400 L Free Relay | Timed Finals | |
| 2 | Swim Ireland | 400 L Medley Relay | Timed Finals | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Darragh Greene | 0 | 0 | 0 | 11 | 761.0 |
| 2 | Thomas FANNON | 0 | 1 | 0 | 5 | 799.0 |
| 3 | Jack Cassin | 0 | 1 | 0 | – | 728.3 |
| 4 | Thomas Leggett | 0 | 1 | 0 | – | 696.0 |
| 5 | Evan Bailey | 0 | 1 | 0 | – | 679.2 |
