EVENT 119 Boys 12/13 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 1 | Joshua Eyre | 06 | Cornwall | 1:13.03 |
| 2 | 3 | Menuka Jayakody | 06 | Norfolk | 1:11.06 |
| 3 | 5 | Joseph Martindale | 06 | Wiltshire | 1:10.66 |
| 4 | 7 | Leon Taylor | 06 | Sussex | 1:09.94 |
| 5 | 6 | Nathanial Mapley | 06 | SE Herts | 1:10.43 |
| 6 | 4 | Nathan Close | 06 | Bedfordshire | 1:11.03 |
| 7 | 2 | Dewi Thomas | 07 | Swim Wales W | 1:11.15 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 9 | Mitchell Lowe | 06 | Staffs | 1:09.18 |
| 1 | 11 | Ethan Allpress | 06 | Cumbria | 1:08.33 |
| 2 | 13 | Thomas Derbyshire | 06 | Leics | 1:08.03 |
| 3 | 15 | Benjamin Hatfield | 06 | Hampshire | 1:07.11 |
| 4 | 17 | Conor Cherrington | 06 | Dorset | 1:03.45 |
| 5 | 16 | David Annis | 06 | Worcs | 1:06.14 |
| 6 | 14 | Callum Melville | 06 | Lincolnshire | 1:07.68 |
| 7 | 12 | Aaron Ruby | 06 | Warwicks | 1:08.07 |
| 8 | 10 | Jake Garett | 07 | Gloucs | 1:08.72 |
| 9 | 8 | Max Parry | 06 | Cambs | 1:09.78 |