EVENT 103 Men MC 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 3 | Noah Burden | 14 | S9 | Delhi | 1:34.88 |
| 2 | 7 | Alexander Hobbs | 17 | S7 | Glasgow | 1:27.99 |
| 3 | 11 | Aidan Stanbrook | 15 | S10 | Manchester | 1:21.56 |
| 4 | 15 | Luke Batty | 17 | S9 | Victoria | 1:12.12 |
| 5 | 13 | Tomas Navarro-Barber | 18 | S9 | Kuala Lumpur | 1:19.15 |
| 6 | 9 | Lewis Jones | 16 | S9 | Melbourne | 1:21.33 |
| 7 | 5 | Harry Arnold-Pepper | 14 | S9 | Glasgow | 1:35.91 |
| 8 | 1 | Luke Boyles | 18 | S12 | Gold Coast | 1:23.76 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 4 | Sebastian Williams | 18 | S6 | Auckland | 1:36.37 |
| 2 | 8 | Alfie Penfold | 19 | S13 | Manchester | 1:23.24 |
| 3 | 12 | Zack Sturgess | 15 | S10 | Auckland | 1:18.47 |
| 4 | 16 | Kieran Williams | 18 | S10 | Melbourne | 1:11.94 |
| 5 | 14 | Jacob Wood | 16 | S9 | Kuala Lumpur | 1:16.72 |
| 6 | 10 | Owen Say | 21 | S8 | Victoria | 1:24.85 |
| 7 | 6 | Akaash Das | 14 | S8 | Gold Coast | 1:24.94 |
| 8 | 2 | Bruce Dee | 16 | S6 | Delhi | 1:37.41 |