EVENT 107 Men Open 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Finlay Pope | 15 | Delhi | 1:05.05 |
| 2 | 4 | Kaiden Welsby | 17 | Victoria | 1:03.88 |
| 3 | 6 | Matthew Baker | 16 | Victoria | 1:00.29 |
| 4 | 8 | Fergus Thomson | 15 | Kuala Lumpur | 1:00.71 |
| 5 | 7 | Calvin Fry | 18 | Melbourne | 1:00.72 |
| 6 | 5 | Jacob Whibley | 17 | Auckland | 1:01.91 |
| 7 | 3 | Rio Daodu | 15 | Gold Coast | 1:01.29 |
| 8 | 1 | Xuanming Guo | 15 | Kuala Lumpur | 1:06.34 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Finley Bunhejee | 17 | Manchester | 1:00.74 |
| 2 | 12 | Conor Cherrington | 16 | Gold Coast | 58.40 |
| 3 | 14 | Harry Nicholson | 18 | Delhi | 56.96 |
| 4 | 16 | Robbie Hemmings | 18 | Manchester | 56.77 |
| 5 | 15 | Samuel Greenbank | 19 | Manchester | 58.67 |
| 6 | 13 | Lewis Warner | 17 | Gold Coast | 1:01.09 |
| 7 | 11 | Christian Duetoft | 17 | Auckland | 1:00.77 |
| 8 | 9 | Adam Graham | 17 | Gold Coast | 1:01.01 |