| Name | Event | Round | Time | Imp | |
|---|---|---|---|---|---|
| 1 | Andrew Cameron | 50 L Back | Prelims | 31.37 | – |
| 2 | Thomas Cangelosi | 50 L Back | Prelims | 29.61 | +1.5% |
| 3 | Will Devine | 50 L Back | Prelims | 29.60 | – |
| 4 | Charlie Hale | 50 L Back | Prelims | 30.87 | +2.9% |
| 5 | Owen Holland | 50 L Back | Prelims | 29.70 | +0.9% |
| 6 | CJ Hovis | 50 L Back | Prelims | 30.82 | – |
| 7 | Mitchell Hunt | 50 L Back | Prelims | 29.14 | +0.5% |
| 8 | Seth Johnson | 50 L Back | Prelims | 30.35 | +3.7% |
| 9 | Carter Pannell | 50 L Back | Prelims | 31.98 | +1.4% |
| 10 | William Taner | 50 L Back | Prelims | 28.31 | – |
