EVENT 515 Womens 400m Freestyle - Heats
Not Competing : 11,17,25,51
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Gemma PETERS | 12 | UEA Norwich | 5:06.60 |
| 4 | 3 | Mia CHANDLER | 12 | teamipswich | 5:05.04 |
| 5 | 2 | Eloise PARTON | 12 | Co Cambridge | 5:05.70 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Claudia LITTLE | 12 | Basildon Ph | 5:02.81 |
| 2 | 7 | Caitlin LOO | 12 | Hatfield | 5:00.70 |
| 3 | 9 | Harriet SALISBURY | 12 | Co Peterboro | 4:59.80 |
| 4 | 12 | Grace MADSEN | 13 | UEA Norwich | 4:55.98 |
| 5 | 10 | Millie TURNER | 13 | Basildon Ph | 4:57.20 |
| 6 | 8 | Ellie WALKER | 12 | UEA Norwich | 5:00.26 |
| 7 | 6 | Charlotte TREE | 12 | Colchester | 5:01.00 |
| 8 | 4 | Tess WESLEY | 12 | Newmarket | 5:04.73 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 14 | Victoria ROGERS | 13 | Basildon Ph | 4:55.90 |
| 2 | 16 | Ella HALE | 13 | West Suffolk | 4:54.21 |
| 3 | 19 | Orla KEAVENEY | 13 | Modernian | 4:53.20 |
| 4 | 21 | Isabelle SANDFORD | 13 | Basildon Ph | 4:52.77 |
| 5 | 20 | Asma PARKER | 13 | Colchester | 4:52.87 |
| 6 | 18 | Safia BUTTON | 12 | teamipswich | 4:53.26 |
| 7 | 15 | Rhearna MASON | 13 | Mid Beds | 4:54.83 |
| 8 | 13 | Charlotte RISBY | 13 | teamipswich | 4:55.97 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 23 | Billie GRANT | 14 | Hatfield | 4:50.49 |
| 2 | 26 | Emily JONES | 14 | Modernian | 4:49.45 |
| 3 | 28 | Gracie Mae MARTIN | 13 | Thurrock | 4:47.88 |
| 4 | 30 | Lauren THOMAS | 14 | Mid Beds | 4:47.60 |
| 5 | 29 | Isobel GEORGIOU | 14 | Hatfield | 4:47.64 |
| 6 | 27 | Freya WRIGHT | 14 | West Suffolk | 4:48.26 |
| 7 | 24 | Mackenzie WHYATT | 14 | Co Peterboro | 4:49.96 |
| 8 | 22 | Alice NEWNHAM-STEBBING | 14 | Lstoft & OB | 4:50.52 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 32 | Katie HAMMOND | 13 | Co Cambridge | 4:47.21 |
| 2 | 34 | Chloe MOLONEY | 14 | DunmowAtlant | 4:47.10 |
| 3 | 36 | Libby DUNFORD | 13 | Hoddesdon | 4:47.03 |
| 4 | 38 | Jennifer READ | 14 | West Norfolk | 4:46.63 |
| 5 | 37 | Ellie RUNNALLS | 14 | Chelmsford | 4:46.63 |
| 6 | 35 | Georgia PURKIS | 14 | Hemel Hemp | 4:47.10 |
| 7 | 33 | Nicole CHANDLER | 14 | teamipswich | 4:47.12 |
| 8 | 31 | Lucie PECK | 13 | UEA Norwich | 4:47.50 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 40 | Lily MERRETT | 13 | Hoddesdon | 4:46.10 |
| 2 | 42 | Amelia MONAGHAN | 14 | Co Peterboro | 4:44.62 |
| 3 | 44 | Sophie FREEMAN | 12 | Colchester | 4:43.80 |
| 4 | 46 | Ellie WHEELER | 14 | Basildon Ph | 4:41.60 |
| 5 | 45 | Jessica TURLEY | 14 | Hatfield | 4:43.19 |
| 6 | 43 | Erin LEE | 14 | Basildon Ph | 4:43.90 |
| 7 | 41 | Katy CHAMBERS | 14 | St Felix Sch | 4:44.90 |
| 8 | 39 | Lauren STOTT | 14 | Co St Albans | 4:46.48 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 48 | Jade GOODE | 13 | Co Peterboro | 4:40.10 |
| 2 | 50 | Tia GARDINER | 14 | Chelmsford | 4:39.90 |
| 3 | 53 | Abbie LOW | 14 | Chelmsford | 4:37.40 |
| 4 | 55 | Charlotte WALKER | 14 | UEA Norwich | 4:29.50 |
| 5 | 54 | Tia WILSON | 14 | Modernian | 4:29.50 |
| 6 | 52 | Lauren YOUNG | 13 | Team Luton | 4:37.90 |
| 7 | 49 | Natasha BENTLEY | 14 | Hatfield | 4:40.10 |
| 8 | 47 | Mia CARTER | 14 | Bishop Stort | 4:40.19 |