EVENT 201 Women Open 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Emily GOODACRE | 10 | Bassetlaw SS | 1:00.37 |
| 3 | 2 | Faith BENSON | 13 | Bo Barnsley | 56.60 |
| 4 | 3 | Lauren WINTLE | 10 | Newcastle St | 51.02 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Ava May BROCKLEHURST | 11 | Bassetlaw SS | 50.75 |
| 2 | 5 | Isla STOCKLEY | 10 | Bassetlaw SS | 45.91 |
| 3 | 6 | Mia RICHARDS | 12 | Bassetlaw SS | 45.53 |
| 4 | 7 | Fleur WHEELER-KAYE | 10 | Bassetlaw SS | 44.74 |
| 5 | 8 | Amelie VENABLES | 10 | Bassetlaw SS | 44.10 |
| 6 | 9 | Poppy GOODACRE | 11 | Bassetlaw SS | 43.62 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Lily PASHLEY | 11 | Bassetlaw SS | 42.23 |
| 2 | 11 | Starla HOPE | 11 | Bassetlaw SS | 42.05 |
| 3 | 12 | Alex TIGGARDINE | 13 | Bo Barnsley | 41.87 |
| 4 | 13 | Sophie WALKER | 13 | Newcastle St | 40.00 |
| 5 | 14 | Iona WATSON | 13 | Bassetlaw SS | 38.70 |
| 6 | 15 | Holly KEILY | 12 | Newcastle St | 37.69 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Abigail ROWLAND | 14 | Bassetlaw SS | 36.58 |
| 2 | 17 | Chloe HENDERSON | 14 | Newcastle St | 36.19 |
| 3 | 18 | Isla O'CONNOR | 11 | Bassetlaw SS | 36.11 |
| 4 | 19 | Abigail BETTS | 12 | Bassetlaw SS | 36.01 |
| 5 | 20 | Imogen HOWITT | 10 | Bassetlaw SS | 35.85 |
| 6 | 21 | Purdy ROBERTS | 14 | Bo Barnsley | 35.23 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 23 | Keira TIGGARDINE | 16 | Bo Barnsley | 33.90 |
| 2 | 25 | Emily WINTLE | 12 | Newcastle St | 32.28 |
| 3 | 27 | Freya PEACE | 15 | Bassetlaw SS | 30.68 |
| 4 | 26 | Libby GARNHAM | 16 | Newcastle St | 32.06 |
| 5 | 24 | Elizabeth VICKERMAN | 11 | Newcastle St | 33.86 |
| 6 | 22 | Esme HAYS | 14 | Bo Barnsley | 35.09 |