EVENT 119 Boys 12/13 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | DANIEL KENNEDY | 13 | Leics | 1:10.02 |
| 1 | 4 | Matthew Woodhall | 13 | Notts | 1:09.20 |
| 2 | 6 | Matthew Hind | 13 | Sussex | 1:08.40 |
| 3 | 8 | Thomas Scholefield | 13 | Yorkshire | 1:07.80 |
| 4 | 10 | Jake Kirkham | 13 | Scot West | 1:07.20 |
| 5 | 9 | Gabriel Taylor-Rimmer | 13 | Lancashire | 1:07.50 |
| 6 | 7 | Robbie Hemmings | 13 | Dorset | 1:08.00 |
| 7 | 5 | Nathan Aung | 13 | Essex | 1:08.47 |
| 8 | 3 | Euan Dunse | 13 | Scot East | 1:09.82 |
| 9 | 1 | Kaden Edwards | 13 | Swim Wales E | 1:10.45 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | HUBERT GDANIEC | 13 | Devon | 1:06.10 |
| 1 | 14 | HENDRIK VAN DER LEEST | 13 | Surrey | 1:05.90 |
| 2 | 16 | Toby Hill | 13 | Cheshire | 1:05.16 |
| 3 | 18 | Louis Hayes | 13 | Kent | 1:04.50 |
| 4 | 20 | Ryan Zhao | 13 | N & Durham | 1:01.50 |
| 5 | 19 | Joe Overton | 13 | Middlesex | 1:02.70 |
| 6 | 17 | Charlie Hazell | 13 | Hampshire | 1:04.57 |
| 7 | 15 | Chester Leeming | 13 | Suffolk | 1:05.61 |
| 8 | 13 | Ellis Stephenson | 13 | Ox & N Bucks | 1:05.93 |
| 9 | 11 | Alexander Painter | 13 | Somerset | 1:06.40 |