EVENT 101 Girl 11/13 Yrs 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Amelie Ratliff | 12 | Co Derby | 5:30.40 |
| 2 | 3 | Eliza Mason | 11 | Leic Sharks | 5:23.50 |
| 3 | 5 | Maddie Walden | 12 | Northampton | 5:21.70 |
| 4 | 7 | Grace Wilson | 12 | Long Eaton | 5:18.00 |
| 5 | 6 | Molly Hamblen | 13 | Derventio | 5:18.90 |
| 6 | 4 | Alice Lennon | 12 | Leic Sharks | 5:23.00 |
| 7 | 2 | Abigail Hodges | 12 | Chesterfield | 5:28.40 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | I Parsons-Loades | 11 | Nova Cent'n | 5:15.50 |
| 2 | 11 | Eleanor Trahearn | 13 | Co Leicester | 5:13.50 |
| 3 | 13 | Daisy Tatlow-Turner | 12 | Chesterfield | 5:12.20 |
| 4 | 15 | Lexia Sharman | 13 | Nova Cent'n | 5:10.61 |
| 5 | 14 | Beau Cunningham | 13 | Corby | 5:11.30 |
| 6 | 12 | Libby Rose | 13 | Radford | 5:13.00 |
| 7 | 10 | Maddie Wilson | 12 | Long Eaton | 5:14.92 |
| 8 | 8 | Niamh Pierce | 13 | Leic Sharks | 5:17.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Anais Kirby | 12 | Leic Sharks | 5:07.90 |
| 2 | 19 | Phebe Adams | 13 | Northampton | 5:05.40 |
| 3 | 21 | Dorothy Plumpton | 13 | Co Leicester | 5:02.00 |
| 4 | 23 | Charlotte Ashton | 13 | Worksop | 5:00.90 |
| 5 | 22 | Amy Walker | 13 | Worksop | 5:01.20 |
| 6 | 20 | Francesca Harrison | 13 | Co Leicester | 5:05.00 |
| 7 | 18 | Kessie Webster | 12 | Repton | 5:05.92 |
| 8 | 16 | Evie Matthews | 13 | Northampton | 5:08.64 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Janie Finch | 12 | Co Leicester | 4:59.80 |
| 2 | 27 | Chiara Reedha | 13 | Corby | 4:57.10 |
| 3 | 29 | Anna Clarke | 13 | Leic Sharks | 4:53.30 |
| 4 | 31 | Adea Sollaku | 13 | Repton | 4:50.86 |
| 5 | 30 | Jessica Lines | 13 | Leic Sharks | 4:52.61 |
| 6 | 28 | Harriett Jones | 13 | Co Leicester | 4:54.90 |
| 7 | 26 | Lydia Cordle | 12 | Repton | 4:59.60 |
| 8 | 24 | Esmee Slinn | 13 | Co Leicester | 4:59.90 |