EVENT 124 Girls 12/13 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lily Murrell | 13 | Norfolk | 1:17.46 |
| 2 | 3 | Lexi Roberts | 13 | Shropshire | 1:15.31 |
| 3 | 5 | Iola Bellinger | 12 | Wiltshire | 1:14.13 |
| 4 | 7 | Daisy May Dunton | 13 | Sussex | 1:13.38 |
| 5 | 6 | Emily Wintle | 13 | Staffs | 1:13.76 |
| 6 | 4 | Roberta Bryson | 13 | Dorset | 1:14.76 |
| 7 | 2 | Phebe Adams | 13 | Northants | 1:17.29 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Rachel Lewis | 13 | Cumbria | 1:12.46 |
| 1 | 11 | Lilli-Rose Carr | 13 | Lincolnshire | 1:10.31 |
| 2 | 13 | Lydia Cordle | 12 | Derbyshire | 1:07.92 |
| 3 | 15 | Amy Jones | 13 | Gloucs | 1:06.88 |
| 4 | 17 | Edie Price | 13 | Cornwall | 1:04.59 |
| 5 | 16 | Jasmine Bouaziz | 13 | Cheshire | 1:06.58 |
| 6 | 14 | Katie Ray | 13 | Warwicks | 1:07.85 |
| 7 | 12 | Amelia Thapa | 13 | Hampshire | 1:08.63 |
| 8 | 10 | Ever Ives | 13 | SE Herts | 1:11.98 |
| 9 | 8 | Briar Price | 13 | Bedfordshire | 1:13.32 |