EVENT 305 Female 10 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Esmay Michael | 11 | Leic Peng | 2:13.39 |
| 4 | 2 | Diya Datta | 14 | Loughborough | 2:06.60 |
| 5 | 3 | Ava Pullin | 10 | Northampton | 2:05.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Evie Lloyd | 12 | Loughborough | 2:05.00 |
| 2 | 5 | Rosie Whitfield | 14 | Leic Peng | 1:50.72 |
| 3 | 6 | Esmie Haines | 11 | Northampton | 1:44.26 |
| 4 | 7 | Emma Ruiz Salfity | 12 | Loughborough | 1:43.98 |
| 5 | 8 | Evie Peat | 13 | Loughborough | 1:40.40 |
| 6 | 9 | Ava Mitchell | 12 | Northampton | 1:30.30 |
| 7 | 10 | Uma Stephenson | 11 | Market Har | 1:30.00 |
| 8 | 35 | Sofia Reedha | 13 | Co Leicester | 1.:30..0 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Olivia Bevan | 13 | Co Leicester | 1:29.56 |
| 2 | 12 | Maisie Grey | 16 | Co Derry | 1:29.06 |
| 3 | 13 | Ivy Lowe | 12 | Co Leicester | 1:27.10 |
| 4 | 14 | Katherine Fletcher | 11 | Co Leicester | 1:26.45 |
| 5 | 15 | Maia Ruiz Salfity | 16 | Loughborough | 1:25.57 |
| 6 | 16 | Julia-Stefania Radac | 14 | Northampton | 1:25.00 |
| 7 | 17 | Marta Uciecha | 14 | Co Leicester | 1:25.00 |
| 8 | 18 | Nicola Michalska | 13 | Co Leicester | 1:22.04 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Elsbeth Williams | 12 | Market Har | 1:22.03 |
| 2 | 20 | Myla Dizon | 13 | Co Leicester | 1:20.00 |
| 3 | 21 | Kirsten Ulph | 14 | Leicester Ne | 1:19.98 |
| 4 | 22 | Tabitha Frame | 16 | Bedford SS | 1:19.65 |
| 5 | 23 | Emilia Durrington | 14 | Co Leicester | 1:19.58 |
| 6 | 24 | Eve Mallett | 15 | Co Derry | 1:18.50 |
| 7 | 25 | Abigail Golynker | 14 | Co Leicester | 1:15.27 |
| 8 | 26 | Dorothy Plumpton | 15 | Co Leicester | 1:14.49 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 28 | Aoibhlinn Gallagher | 15 | Co Derry | 1:12.97 |
| 2 | 30 | Foteini Kalkani | 18 | Co Leicester | 1:12.22 |
| 3 | 32 | Annabel Russell | 18 | Co Leicester | 1:11.19 |
| 4 | 34 | Eloise Cole | 16 | Bedford SS | 1:02.90 |
| 5 | 33 | Anna Clarke | 15 | Co Leicester | 1:06.50 |
| 6 | 31 | Anastasiia Hrymaliuk | 18 | Loughborough | 1:11.70 |
| 7 | 29 | Chloe Morley | 12 | Co Leicester | 1:12.30 |
| 8 | 27 | Eva-May Bowie | 13 | Bedford SS | 1:13.81 |