EVENT 101 Female 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Penny HODGSON | 12 | Co St Albans | 2:07.87 |
| 4 | 4 | Sophia ZHOU | 11 | Co St Albans | 2:01.69 |
| 5 | 3 | Giana TSANG | 10 | Co St Albans | 2:03.00 |
| 6 | 1 | Daisy QUANTRELL | 9 | Hoddesdon | 2:10.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Olivia METTI | 10 | Verulam | 1:49.19 |
| 2 | 8 | Myla DE JEAN GURREY | 12 | Potters Bar | 1:44.00 |
| 3 | 10 | Kit GLEESON | 11 | Potters Bar | 1:37.00 |
| 4 | 12 | Imogen BROWN | 17 | Potters Bar | 1:34.77 |
| 5 | 11 | Aila SMITH | 10 | Verulam | 1:36.80 |
| 6 | 9 | Emma REMENYI | 11 | Verulam | 1:40.04 |
| 7 | 7 | Delphis LAW | 11 | Co St Albans | 1:48.84 |
| 8 | 5 | Annabel PASCOE | 11 | Co St Albans | 1:57.24 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Sophie WALKER | 10 | Cheshunt | 1:27.96 |
| 2 | 16 | Isabel BRADLEY-SMITH | 13 | Hoddesdon | 1:21.99 |
| 3 | 18 | Elise DOTCHIN | 14 | Co St Albans | 1:19.64 |
| 4 | 20 | Phoebe WEIGHT | 16 | Cheshunt | 1:16.88 |
| 5 | 19 | Scarlett OMAND | 12 | Cheshunt | 1:17.18 |
| 6 | 17 | Maya ROBU | 16 | Cheshunt | 1:21.19 |
| 7 | 15 | Evie LOWERS | 12 | Bishop Stort | 1:22.63 |
| 8 | 13 | Bronwyn HILL | 11 | Co St Albans | 1:31.09 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Mariella THORNE | 13 | Ware | 1:15.35 |
| 2 | 24 | Isabel MULLINGS | 17 | Cheshunt | 1:14.44 |
| 3 | 26 | Niamh HOLLAND | 15 | Hitchin | 1:14.03 |
| 4 | 28 | Teah GREGORY | 17 | Stevenage | 1:06.27 |
| 5 | 27 | Alexandra PAPCIAK-WRON | 17 | Cheshunt | 1:13.78 |
| 6 | 25 | Isabella PLEDGER | 14 | Hoddesdon | 1:14.40 |
| 7 | 23 | Amelie JENKINS | 14 | Ware | 1:15.00 |
| 8 | 21 | Daniella GOMEZ BOLIVAR | 14 | Hoddesdon | 1:15.99 |