EVENT 109 Female 12/13 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Martha Gibbard | 13 | Shropshire | 1:08.50 |
| 2 | 3 | Kitty Lamb | 12 | Cambs | 1:05.88 |
| 3 | 5 | Amerie Njawaya | 13 | Bedfordshire | 1:05.36 |
| 4 | 7 | Florence Barkholt | 13 | Wiltshire | 1:05.12 |
| 5 | 6 | Maisie O'Mahony | 13 | Cumbria | 1:05.25 |
| 6 | 4 | Evie Greenhalf | 13 | Norfolk | 1:05.61 |
| 7 | 2 | Robyn Fitzhenry | 13 | Cornwall | 1:06.49 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Maddie Walden | 13 | Northants | 1:04.97 |
| 1 | 11 | Cecilia Huepfl | 13 | Ox & N Bucks | 1:04.31 |
| 2 | 13 | Elizabeth Vickerman | 12 | Staffs | 1:03.08 |
| 3 | 15 | Anais Kirby | 13 | Leics | 1:01.87 |
| 4 | 17 | Iris Hurst | 13 | Cheshire | 1:00.33 |
| 5 | 16 | Cerys Griffiths | 13 | SW Wales | 1:00.97 |
| 6 | 14 | Mya Leune | 13 | Scot North | 1:02.65 |
| 7 | 12 | Layla Wareing | 12 | Dorset | 1:03.99 |
| 8 | 10 | Akemi Futatsugi | 13 | Gloucs | 1:04.55 |
| 9 | 8 | Sophie Cooksey | 13 | Lincolnshire | 1:05.07 |