| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Zachary Yeadon | 400 L Free | Finals | 3:51.16 |
| 2 | Zachary Yeadon | 400 L Free | Prelims | 3:51.16 |
| 3 | Josh Bottelberghe | 200 L Breast | Finals | 2:13.40 |
| 4 | Josh Bottelberghe | 200 L Breast | Prelims | 2:13.88 |
| 5 | Zachary Yeadon | 800 L Free | Timed Finals | 8:02.33 |
| 6 | Zachary Smith | 200 L Fly | Prelims | 1:59.32 |
| 7 | Max Miranda | 400 L Free | Prelims | 3:56.86 |
| 8 | Zachary Smith | 200 L Fly | Finals | 2:00.30 |
| 9 | Zachary Smith | 100 L Fly | Prelims | 53.82 |
| 10 | Will Barao | 400 L Free | Prelims | 3:58.02 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Irish Aquatics | 800 L Free Relay | Timed Finals | |
| 2 | Irish Aquatics | 400 L Medley Relay | Timed Finals | |
| 3 | Irish Aquatics (B) | 400 L Medley Relay | Timed Finals | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Zachary Yeadon | 0 | 0 | 0 | 12 | 843.5 |
| 2 | Zachary Smith | 0 | 0 | 0 | – | 804.5 |
| 3 | Joshua Bottelberghe | 0 | 0 | 0 | – | 797.5 |
| 4 | Maxwell Miranda | 0 | 0 | 0 | – | 773.3 |
| 5 | Aaron Schultz | 0 | 0 | 0 | – | 769.0 |
