EVENT 204 Girl Open 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Amelia MATSON | 9 | Co Leeds | 4:02.00 |
| 2 | 3 | Ella COLEMAN | 10 | Co Leeds | 3:53.30 |
| 3 | 5 | Abigail BEIGHTON | 11 | Co Sheffield | 3:35.00 |
| 4 | 7 | Zoe WORSNUP | 14 | Spenborough | 3:30.00 |
| 5 | 6 | Francesca HADFIELD | 13 | Bo Barnsley | 3:31.27 |
| 6 | 4 | Scarlett SAMPSON | 13 | Co Sheffield | 3:37.00 |
| 7 | 2 | Elkie FOSTER | 10 | Co Leeds | 3:59.02 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | M AZANA-BALL | 10 | Co Leeds | 3:24.26 |
| 1 | 11 | Amelia STRATFORD | 11 | Rotherham Mo | 3:15.60 |
| 2 | 13 | Purdy ROBERTS | 13 | Bo Barnsley | 2:55.70 |
| 3 | 15 | Aira WILKINSON | 12 | Co Leeds | 2:54.40 |
| 4 | 17 | Emma WOOD | 13 | Co Leeds | 2:51.10 |
| 5 | 16 | Erin INGHAM | 13 | Cleethorpes | 2:53.40 |
| 6 | 14 | Alex NEWTON | 13 | Co Leeds | 2:54.90 |
| 7 | 12 | Mia TRAVIS-JONES | 11 | Co Leeds | 3:02.33 |
| 8 | 10 | Amelie PEARCE | 12 | Cleethorpes | 3:22.08 |
| 9 | 8 | Daisy HAIGH | 13 | Co Sheffield | 3:30.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 19 | Ruby ELLIS | 13 | Co Leeds | 2:45.90 |
| 1 | 21 | Valeria PINERA-LEVITA | 12 | Co Leeds | 2:41.90 |
| 2 | 23 | Charlotte MORETON | 13 | Co Leeds | 2:40.70 |
| 3 | 25 | Iris BURNETT | 16 | Cleethorpes | 2:37.90 |
| 4 | 27 | Katherine BAILEY | 17 | Perth City | 2:20.86 |
| 5 | 26 | Amelia OSBORNE | 16 | Rotherham Mo | 2:36.20 |
| 6 | 24 | Lauren LILLEY | 13 | Co Leeds | 2:40.60 |
| 7 | 22 | Sedona REED | 14 | Co Leeds | 2:41.30 |
| 8 | 20 | Evangeline STACEY | 14 | Co Leeds | 2:42.20 |
| 9 | 18 | Daisy BALL | 13 | Co Wakefield | 2:48.70 |