EVENT 403 Womens MC 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 1 | 2 | Charlotte Hyde | 02 | S7 | London Dis | 7:28.67 |
| 2 | 4 | Adele Maguire | 01 | S8 | Warrington W | 7:07.78 |
| 3 | 6 | Sallie Phillips | 99 | S8 | Gloucester | 6:59.71 |
| 4 | 8 | Lily Rice | 04 | S10 | Tenby | 6:41.93 |
| 5 | 7 | Samantha Lewis | 92 | S9 | Satellite | 6:53.73 |
| 6 | 5 | Fabienne Andre | 96 | S8 | Mid Sussex | 7:00.48 |
| 7 | 3 | Olivia Pickering | 00 | S9 | Gloucester | 7:18.73 |
| 8 | 1 | Laura Pilkington | 97 | S6 | Broxburn | 7:36.53 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 12 | Katie Crowhurst | 04 | S13 | Wycombe Dist | 6:11.82 |
| 1 | 18 | Rebecca Lewis | 03 | S10 | RCT Squad | 5:58.81 |
| 2 | 24 | Bethan Eckley | 00 | S10 | Co Cardiff | 5:45.72 |
| 3 | 30 | Susannah Rodgers | 83 | S7 | Beckenham | 5:19.10 |
| 4 | 36 | Amy Marren | 98 | S9 | Romford Town | 4:57.98 |
| 5 | 33 | Abbie Hampshire | 00 | S10 | Skipton | 5:11.78 |
| 6 | 27 | Cara Smyth | 01 | S10 | Incas | 5:32.17 |
| 7 | 21 | Jordan Margery | 92 | S8 | Bridgend Cty | 5:51.35 |
| 8 | 15 | Maya Brisco | 00 | S9 | Staines | 6:04.05 |
| 9 | 9 | G Cooper-Holmes | 00 | S7 | Man & NW Dis | 6:34.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 13 | Levana Hanson | 00 | S8 | Gloucester | 6:08.54 |
| 1 | 19 | Eleanor Bamber | 96 | S10 | Glossop | 5:55.61 |
| 2 | 25 | Molly Hopkins | 03 | S9 | Neath | 5:41.39 |
| 3 | 31 | Toni Shaw | 03 | S10 | Co Aberdeen | 5:14.75 |
| 4 | 37 | Stephanie Millward | 81 | S9 | Corsham | 4:48.10 |
| 5 | 34 | Abby Kane | 03 | S13 | N Ayrshire | 5:07.99 |
| 6 | 28 | Megan Richter | 00 | S9 | Orion | 5:22.92 |
| 7 | 22 | Eleanor Robinson | 01 | S6 | Northampton | 5:48.72 |
| 8 | 16 | Olivia-Mae Cameron | 99 | S8 | Mt Kelly | 6:02.22 |
| 9 | 10 | Hollie Pinder | 02 | S9 | Adwick | 6:33.63 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Cat | Club/Country | Time |
| 0 | 14 | Neele Labudda | 03 | S13 | Germany | 6:05.72 |
| 1 | 20 | Drew Stables | 02 | S10 | Copeland | 5:52.52 |
| 2 | 26 | Harriet Dickinson | 97 | S10 | Clevedon | 5:33.20 |
| 3 | 32 | Coral Farrell | 01 | S10 | Warrington W | 5:13.47 |
| 4 | 38 | Rosie Bancroft | 95 | S10 | Co Oxford | 4:44.68 |
| 5 | 35 | Zara Mullooly | 02 | S10 | Woking | 4:59.65 |
| 6 | 29 | Eleanor Simmonds | 94 | S6 | Boldmere | 5:20.84 |
| 7 | 23 | Grace Harvey | 98 | S7 | Hoddesdon | 5:47.30 |
| 8 | 17 | Janina Falk | 03 | S14 | Austria | 5:59.28 |
| 9 | 11 | Porsha Jones | 02 | S10 | Shrewsbury | 6:27.59 |