EVENT 107 Girl Open 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Chloe TANGAYI | 13 | Northampton | 1:20.60 |
| 2 | 3 | Matilda HASE | 14 | Derventio | 1:17.19 |
| 3 | 5 | Molly BRIERS | 15 | Deepings | 1:15.33 |
| 4 | 4 | Sadie HUNTER | 13 | Deepings | 1:16.10 |
| 5 | 2 | Kalinika CWIKLINSKA | 14 | Northampton | 1:17.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Catherine ROBSON | 14 | Co Derby | 1:13.91 |
| 2 | 9 | Annabel VANCE | 14 | Northampton | 1:13.65 |
| 3 | 11 | Logan SHIELDS | 15 | Royal Wolv | 1:12.83 |
| 4 | 10 | Aimee MONKS | 16 | Royal Wolv | 1:13.12 |
| 5 | 8 | Emilia CIESZCZYK | 14 | Northampton | 1:13.90 |
| 6 | 6 | Evie MATTHEWS | 12 | Northampton | 1:14.89 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Millie KING | 13 | Co Derby | 1:11.94 |
| 2 | 15 | Megan CROMPTON | 16 | Ripley | 1:11.05 |
| 3 | 17 | Charlotte CULLEN | 17 | Royal Wolv | 1:10.00 |
| 4 | 16 | Jessica SPRAGG | 17 | Northampton | 1:11.05 |
| 5 | 14 | Ciara MAHNEY | 15 | Northampton | 1:11.40 |
| 6 | 12 | Mia MATTHEWS | 14 | Northampton | 1:12.70 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Katie LEARY | 17 | Royal Wolv | 1:09.23 |
| 2 | 21 | Evie WOOLLEY | 15 | Northampton | 1:09.10 |
| 3 | 23 | Louise JONES | 16 | Royal Wolv | 1:08.50 |
| 4 | 22 | Jessie-Leigh JENNS | 16 | Royal Wolv | 1:09.00 |
| 5 | 20 | Lucy FLINT | 17 | Derventio | 1:09.20 |
| 6 | 18 | Sophie BUSBY | 15 | Derventio | 1:09.40 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Poppy MEAD | 16 | Derventio | 1:07.80 |
| 2 | 27 | Eja COE | 15 | Derventio | 1:05.37 |
| 3 | 29 | Georgina PRYOR | 23 | Derventio | 59.35 |
| 4 | 28 | Chloe HARRIS | 16 | Royal Wolv | 1:01.90 |
| 5 | 26 | Katie HEALD | 15 | Derventio | 1:07.40 |
| 6 | 24 | Evie BARBER | 17 | Royal Wolv | 1:07.99 |