EVENT 301 Women 10/11 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Jorja Atkinson | 10 | Co Ely | 1:57.53 |
| 4 | 3 | Jasmine Donald | 11 | Co St Albans | 1:47.04 |
| 5 | 2 | Megan Barnicoat | 10 | Modernian | 1:53.71 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Matilda Dymond | 11 | Modernian | 1:45.57 |
| 3 | 7 | Sophie Cripps | 11 | Colchester | 1:43.18 |
| 4 | 9 | Amelia Fenner | 11 | Basildon Ph | 1:42.35 |
| 5 | 8 | Milly Johnson | 11 | West Norfolk | 1:42.58 |
| 6 | 6 | Ava Cinque | 11 | Saffron Wald | 1:45.35 |
| 7 | 4 | Alexia Stanciu | 11 | Chelmsford | 1:45.82 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | E Barth-Wehrenalp | 11 | Brentwood | 1:39.98 |
| 2 | 13 | Nicole Cashin | 11 | Team Luton | 1:37.07 |
| 3 | 15 | Lois Smith | 11 | Basildon Ph | 1:30.18 |
| 4 | 17 | Lucy Clarke | 11 | Chelmsford | 1:24.93 |
| 5 | 16 | Jasmine Hall | 11 | Basildon Ph | 1:28.85 |
| 6 | 14 | Anastasja Wall | 11 | Dereham | 1:35.08 |
| 7 | 12 | Katie-Mae Abrahams | 11 | Putteridge | 1:38.38 |
| 8 | 10 | Niamh Bunker | 11 | Flitwick | 1:41.12 |