EVENT 507 Womens Open 400m Freestyle - Heats
Not Competing : 8,19,26,28,29,38,41,43,46
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 2 | 1 | Grace Harvey | 14 | S7 | Hoddesdon | 7:04.24 |
| 3 | 3 | Grace Cordeaux | 16 | | Little Fish | 4:53.74 |
| 4 | 5 | Harriett Bartram-Baird | 16 | | Braintree | 4:54.25 |
| 5 | 4 | Claire Robinson | 15 | | West Suffolk | 4:54.34 |
| 6 | 2 | Emily Harris | 15 | S9 | St Felix Sch | 5:32.11 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 7 | Naomi Fung | 16 | | Hatfield | 4:55.03 |
| 2 | 10 | Megan Brett | 17 | | Watford SC | 4:47.45 |
| 3 | 12 | Alexa Foster-Carter | 16 | | Bo Southend | 4:56.33 |
| 4 | 14 | Georgia Mills | 16 | | Basildon Ph | 4:45.55 |
| 5 | 13 | Chloe Ward | 17 | | Epping For't | 4:47.30 |
| 6 | 11 | Yasmin Brand | 15 | | Watford SC | 4:58.28 |
| 7 | 9 | Liberty Good | 15 | | Southend | 4:54.22 |
| 8 | 6 | Casey Willis | 16 | | St Felix Sch | 4:49.14 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 16 | Hannah Brigham | 15 | | Co Peterboro | 4:50.20 |
| 2 | 18 | Emma Hobbins | 17 | | Team Luton | 4:49.77 |
| 3 | 21 | Amy Harris | 16 | | Team Luton | 4:34.97 |
| 4 | 23 | Victoria Abbott | 16 | | Flitwick | 4:47.65 |
| 5 | 22 | Katie Barker | 17 | | Mid Beds | 4:48.02 |
| 6 | 20 | Grace Hellier | 15 | | Chelmsford | 4:45.35 |
| 7 | 17 | Cloudy Majtenyi-Hill | 15 | | UEA Norwich | 4:42.88 |
| 8 | 15 | Aisling Ruff | 15 | | Co Peterboro | 4:39.54 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 25 | Emily Bowyer | 15 | | UEA Norwich | 4:47.65 |
| 2 | 30 | Charlotte Longden | 15 | | Hoddesdon | 4:40.19 |
| 3 | 32 | Emma Studd | 16 | | teamipswich | 4:43.60 |
| 4 | 34 | Jennifer Seaman | 18 | | UEA Norwich | 4:34.79 |
| 5 | 33 | Dolly Trigg | 15 | | teamipswich | 4:47.15 |
| 6 | 31 | Katie Rumsey | 16 | | St Felix Sch | 4:35.98 |
| 7 | 27 | Isabel Faulkner | 17 | | St Felix Sch | 4:34.46 |
| 8 | 24 | Jennifer Beevor | 16 | | St Felix Sch | 4:41.79 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 36 | Josephine Blades | 15 | | St Felix Sch | 4:40.74 |
| 2 | 39 | Amber Swales | 17 | | Mid Beds | 4:42.90 |
| 3 | 42 | Shauna Lee | 17 | | Hatfield | 4:19.80 |
| 4 | 45 | Ellis Jackson | 18 | | St Felix Sch | 4:19.58 |
| 5 | 44 | Chloe Hannam | 16 | | Co Peterboro | 4:26.65 |
| 6 | 40 | Victoria Pritchard | 16 | | Hatfield | 4:30.72 |
| 7 | 37 | Nicola Pasquire | 15 | | Modernians | 4:34.83 |
| 8 | 35 | Beth Currant | 16 | | Team Luton | 4:38.59 |