| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Daniel Wiffen | 400 L Free | Finals | 4:01.19 |
| 2 | Daniel Wiffen | 400 L Free | Prelims | 4:01.93 |
| 3 | Daniel Wiffen | 200 L Free | Prelims | 1:55.47 |
| 4 | Daniel Wiffen | 800 L Free | Timed Finals | 8:31.94 |
| 5 | Daniel Wiffen | 1500 L Free | Timed Finals | 16:28.28 |
| 6 | Nathan Wiffen | 1500 L Free | Timed Finals | 16:29.44 |
| 7 | Daniel Wiffen | 100 L Free | Prelims | 53.47 |
| 8 | Daniel Wiffen | 200 L Free | Finals | 1:56.26 |
| 9 | Nathan Wiffen | 800 L Free | Timed Finals | 8:38.71 |
| 10 | Daniel Wiffen | 400 L IM | Prelims | 4:40.54 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Lisburn City Swimming Club | 400 L Medley Relay | Timed Finals | |
| Name | FINA | |
|---|---|---|
| 1 | Daniel Wiffen | 679.6 |
| 2 | Jack Fleming | 617.0 |
| 3 | Nathan Wiffen | 611.7 |
| 4 | Paul Cox | 565.0 |
| 5 | Caleb Maguire | 561.2 |
