EVENT 127 Open/Male 14/15 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Jake Branch | 15 | Ox & N Bucks | 1:05.32 |
| 2 | 3 | John Toogood | 15 | Shropshire | 1:05.07 |
| 3 | 5 | Ashley Keay | 15 | Staffs | 1:04.26 |
| 4 | 7 | Cole Angell | 15 | Northants | 1:03.59 |
| 5 | 6 | Max Henderson | 15 | Cumbria | 1:04.06 |
| 6 | 4 | Oscar Hunter | 14 | Norfolk | 1:04.84 |
| 7 | 2 | Miles Willetts | 14 | Leics | 1:05.28 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Farrleigh Greaves | 15 | Wiltshire | 1:02.42 |
| 1 | 11 | Harry Kerslake | 15 | Gloucs | 1:02.31 |
| 2 | 13 | Orlando Dearing | 15 | Cambs | 1:01.18 |
| 3 | 15 | Henry Taylor | 15 | Cheshire | 1:00.72 |
| 4 | 17 | Dean Fearn | 15 | Scot North | 56.36 |
| 5 | 16 | Ryan Close | 15 | Bedfordshire | 59.55 |
| 6 | 14 | Hugo Young | 15 | Dorset | 1:01.15 |
| 7 | 12 | Samuel Montgomery | 15 | SW Wales | 1:01.34 |
| 8 | 10 | Joshua Clarke | 15 | Lincolnshire | 1:02.34 |
| 9 | 8 | Dmitri Kai Maddern | 15 | Cornwall | 1:03.07 |