EVENT 408 Girl Open 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Matilda HASE | 14 | Derventio | 2:50.25 |
| 3 | 3 | Annabel VANCE | 14 | Northampton | 2:49.10 |
| 4 | 2 | Kalinika CWIKLINSKA | 14 | Northampton | 2:49.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Evie MATTHEWS | 12 | Northampton | 2:48.00 |
| 3 | 7 | Sadie HUNTER | 13 | Deepings | 2:43.90 |
| 4 | 6 | Mia MATTHEWS | 14 | Northampton | 2:44.40 |
| 5 | 4 | Millie KING | 13 | Co Derby | 2:48.72 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Logan SHIELDS | 15 | Royal Wolv | 2:43.16 |
| 2 | 11 | Eja COE | 15 | Derventio | 2:26.53 |
| 3 | 13 | Chloe HARRIS | 16 | Royal Wolv | 2:16.50 |
| 4 | 12 | Poppy MEAD | 16 | Derventio | 2:24.83 |
| 5 | 10 | Jessica SPRAGG | 17 | Northampton | 2:40.50 |
| 6 | 8 | Lily FREEMAN | 14 | Northampton | 2:43.80 |