EVENT 101 Girls 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Lucy BARRATT | 10 | Gainsborough | 6:52.48 |
| 3 | 3 | Emma DEEKS | 12 | Rotherham Mo | 6:25.63 |
| 4 | 2 | Kitty SUMNER | 11 | Matlock | 6:31.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Jessica WILSON | 11 | Co Wakefield | 6:15.40 |
| 3 | 7 | Olivia THORPE | 11 | Rotherham Mo | 6:04.01 |
| 4 | 6 | Carly SILKSTONE | 13 | Rotherham Mo | 6:09.64 |
| 5 | 4 | Isla-Rose WILDISH | 9 | Bassetlaw SS | 6:18.20 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Christabella TURNER | 15 | Eckington | 5:55.03 |
| 2 | 11 | Charlotte JENKINSON | 13 | Deepings | 5:42.67 |
| 3 | 13 | Chloe BYERS | 14 | Eckington | 5:35.00 |
| 4 | 12 | Isabella REYNOLDS | 13 | Deepings | 5:42.16 |
| 5 | 10 | Laila GODLINGTON | 13 | Rotherham Mo | 5:54.69 |
| 6 | 8 | Blythe RATCLIFFE | 12 | Etwall | 6:00.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Starla HOPE | 12 | Bassetlaw SS | 5:30.72 |
| 2 | 17 | Isla STOCKLEY | 11 | Bassetlaw SS | 5:27.80 |
| 3 | 19 | Abigail BETTS | 13 | Bassetlaw SS | 5:18.60 |
| 4 | 18 | Charlotte LAMB | 15 | Etwall | 5:22.30 |
| 5 | 16 | Olivia HEAFIELD | 12 | Rotherham Mo | 5:30.00 |
| 6 | 14 | Ava CRANFIELD | 13 | Eckington | 5:31.50 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Isobelle RAFFERTY | 12 | Bassetlaw SS | 5:14.30 |
| 2 | 23 | Katherine WILSON | 14 | Co Wakefield | 5:06.15 |
| 3 | 25 | Jennifer WALKER | 15 | Bassetlaw SS | 4:33.59 |
| 4 | 24 | Ruby CREDLAND | 16 | Bassetlaw SS | 4:44.33 |
| 5 | 22 | Tate FOX | 12 | Bassetlaw SS | 5:09.70 |
| 6 | 20 | Molly HAMBLEN | 14 | Etwall | 5:14.48 |