| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Dereck Peceur | 50 L Breast | Prelims | 33.28 |
| 2 | Dereck Peceur | 50 L Breast | Finals | 33.29 |
| 3 | Mark Peceur | 200 L Fly | Timed Finals | 2:24.63 |
| 4 | Dereck Peceur | 100 L Free | Prelims | 1:01.45 |
| 5 | Mark Peceur | 50 L Fly | Prelims | 29.41 |
| 6 | Dereck Peceur | 100 L Breast | Finals | 1:15.10 |
| 7 | Dereck Peceur | 100 L Breast | Prelims | 1:15.53 |
| 8 | Dereck Peceur | 50 L Free | Prelims | 27.87 |
| 9 | Dereck Peceur | 200 L Breast | Timed Finals | 2:49.45 |
| 10 | Van Zyl Marais | 50 L Free | Timed Finals | 28.31 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Paarl Aquarius | 200 L Free Relay | Timed Finals | |
| 2 | Paarl Aquarius | 400 L Medley Relay | Timed Finals | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Jayden Williams | 0 | 0 | 1 | 45 | 211.6 |
| 2 | Mark Peceur | 0 | 0 | 1 | 16 | 451.0 |
| 3 | Dereck Peceur | 0 | 0 | 0 | 11 | 429.5 |
| 4 | Angus Solomons | 0 | 0 | 0 | – | 382.0 |
| 5 | Van Zyl Marais | 0 | 0 | 0 | – | 352.0 |
