| Name | Event | Round | Time | Imp | |
|---|---|---|---|---|---|
| 1 | Luke Altmann | 50 L Free | Prelims | 25.44 | +2.9% |
| 2 | Luke Cillie | 50 L Free | Timed Finals | 24.14 | +3.4% |
| 3 | Sèrgio Dos Santos | 50 L Free | Prelims | 25.78 | +0.7% |
| 4 | Pirow Engelbrecht | 50 L Free | Prelims | 25.28 | +0.2% |
| 5 | Reuben Faure | 50 L Free | Prelims | 26.59 | +2.6% |
| 6 | Thomas Forbes | 50 L Free | Prelims | 28.55 | +4.0% |
| 7 | Simon Haddon | 50 L Free | Prelims | 23.86 | +0.5% |
| 8 | Dylan Hepburn | 50 L Free | Prelims | 25.02 | +3.1% |
| 9 | Michael Houlie | 50 L Free | Prelims | 23.73 | +1.0% |
| 10 | Josef Maximilian Kieser | 50 L Free | Prelims | 23.95 | +2.0% |
