EVENT 119 Boys 12/13 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | Maximus Burkett | 13 | Swim Wales W | 1:11.22 |
| 1 | 4 | Charlie Rowe | 13 | Dorset | 1:10.74 |
| 2 | 6 | Finn Broekhoven | 12 | Devon | 1:10.26 |
| 3 | 8 | Ashley Lucas | 13 | Northants | 1:09.00 |
| 4 | 10 | Christopher Williamson | 13 | Cambs | 1:08.41 |
| 5 | 9 | David Kernohan | 13 | Scot East | 1:08.67 |
| 6 | 7 | Sean McCann | 13 | Leics | 1:09.50 |
| 7 | 5 | Harry Wynne-Jones | 13 | Ox & N Bucks | 1:10.45 |
| 8 | 3 | Antoni Kepa | 12 | Berks&SBucks | 1:10.78 |
| 9 | 1 | Angus Johnston | 13 | Scot West | 1:12.67 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | Ben Merriman | 13 | Swim Wales E | 1:07.90 |
| 1 | 14 | Aaron Gabriel | 13 | Essex | 1:06.94 |
| 2 | 16 | Edward Merhan | 13 | Suffolk | 1:06.31 |
| 3 | 18 | Dominic Morgan | 13 | Surrey | 1:05.23 |
| 4 | 20 | Cameron Green | 13 | Yorkshire | 1:02.83 |
| 5 | 19 | Matthew Cairns | 13 | N & Durham | 1:04.58 |
| 6 | 17 | Myles Paul | 13 | Lancashire | 1:05.99 |
| 7 | 15 | Adam Graham | 13 | Somerset | 1:06.71 |
| 8 | 13 | James Sproston | 13 | Kent | 1:07.19 |
| 9 | 11 | Brandon Biss | 13 | Middlesex | 1:08.04 |