Heats (Declared Winners) Girls 12 Years 400m Freestyle
| Place | Name | AaD | Club | Time | | | 50 | 100 | 150 | 200 | 250 | 300 | 350 |
| 1. | Karlie Stockdale | 12 | Cumbria ASA | 4:40.32 | | | 32.01 | 1:06.98 | 1:42.32 | 2:17.85 | 2:53.95 | 3:30.10 | 4:06.76 |
| 2. | Georgia Barton | 12 | North Lancs | 4:41.34 | | | 32.45 | 1:07.83 | 1:43.83 | 2:19.54 | 2:55.63 | 3:31.30 | 4:07.96 |
| 3. | Charlotte Cain | 12 | Bolton & Manchester | 4:46.04 | | | 33.62 | 1:09.29 | 1:45.62 | 2:21.98 | 2:58.59 | 3:35.03 | 4:11.33 |
| 4. | Katie Bennett | 12 | North Mids | 4:46.25 | | | 32.71 | 1:08.41 | 1:44.56 | 2:21.05 | 2:57.49 | 3:34.38 | 4:11.12 |
| 5. | Alexandra Riach | 12 | Bolton & Manchester | 4:48.41 | | | 32.53 | 1:08.55 | 1:45.40 | 2:23.21 | 2:59.96 | 3:36.72 | 4:13.43 |
| 6. | Rebecca Rimmer | 12 | North Lancs | 4:53.26 | | | 33.38 | 1:09.40 | 1:46.35 | 2:23.50 | 3:00.58 | 3:38.28 | 4:16.14 |
| 7. | Caitlin Mcnicholas | 12 | LiverplDASA | 4:54.47 | | | 34.18 | 1:10.62 | 1:47.83 | 2:25.13 | 3:02.42 | 3:39.87 | 4:18.07 |
| 8. | Jennifer Leith | 12 | LiverplDASA | 4:57.55 | | | 33.28 | 1:09.87 | 1:48.01 | 2:25.98 | 3:04.28 | 3:42.38 | 4:20.78 |
| 9. | Hannah Clegg | 12 | Cent Lancs | 4:57.94 | | | 33.86 | 1:10.43 | 1:48.21 | 2:26.18 | 3:03.98 | 3:42.44 | 4:20.70 |
| 10. | Joanna Yates | 12 | Cumbria ASA | 5:01.61 | | | 34.43 | 1:12.40 | 1:50.75 | 2:28.92 | 3:07.54 | 3:45.76 | 4:24.45 |
| 11. | Jessica Gallimore | 12 | North Mids | 5:06.86 | | | 34.13 | 1:12.53 | 1:51.57 | 2:30.49 | 3:10.16 | 3:49.28 | 4:28.56 |
| 12. | Emma Walsh | 12 | Cent Lancs | 5:07.97 | | | 34.91 | 1:12.68 | 1:51.55 | 2:30.84 | 3:10.30 | 3:49.64 | 4:29.86 |