EVENT 118 Girls 12/13 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Ally Morrison | 12 | Scot Midland | 1:14.38 |
| 1 | 3 | Kiera McNally | 13 | Bedfordshire | 1:12.26 |
| 2 | 5 | Loveday Beresford | 13 | Lincolnshire | 1:11.76 |
| 3 | 7 | Abigail Whiting | 13 | Norfolk | 1:11.09 |
| 4 | 9 | Eleanor Morris | 13 | Sussex | 1:10.46 |
| 5 | 8 | Rebecca Woolley | 12 | Shropshire | 1:10.50 |
| 6 | 6 | Eliza Nash | 12 | Swim Wales E | 1:11.34 |
| 7 | 4 | Hannah Reid | 13 | Cornwall | 1:12.20 |
| 8 | 2 | Zara McKnight | 12 | Cumbria | 1:14.01 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 11 | Caitlin Hannah | 13 | Northants | 1:10.35 |
| 1 | 13 | Tegan Galbraith | 13 | Swim Wales W | 1:09.72 |
| 2 | 15 | Chloe Davies | 13 | Wiltshire | 1:08.45 |
| 3 | 17 | Tazmin Pugh | 12 | Worcs | 1:07.46 |
| 4 | 19 | Cara Hetherington | 13 | Suffolk | 1:05.72 |
| 5 | 18 | Emily Cutler | 13 | Warwicks | 1:07.39 |
| 6 | 16 | Rebecca Burton | 13 | Cambs | 1:08.11 |
| 7 | 14 | Hannah Knight | 12 | Leics | 1:08.69 |
| 8 | 12 | Jess Shaw | 13 | Gloucs | 1:09.84 |
| 9 | 10 | Jess Sanders-Wyatt | 13 | Devon | 1:10.45 |