EVENT 221 Womens 400m IM - Heats
Not Competing : 3,14,17
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | Rachel ROBINSON | 15 | UEA Norwich | 5:32.33 |
| 3 | 4 | Susanna FRASER | 15 | Co Cambridge | 5:28.01 |
| 4 | 6 | Jessica FARROW | 15 | Hatfield | 5:27.05 |
| 5 | 5 | Peyton EWBANK | 15 | Norwich Swan | 5:27.25 |
| 6 | 2 | Lily CHARLESWORTH | 16 | Lstoft & OB | 5:31.41 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 8 | Juliet MERELIE | 17 | Harpenden | 5:23.29 |
| 2 | 10 | Tegan WOLLASTON | 16 | Cheshunt | 5:20.69 |
| 3 | 12 | Yasmin BRAND | 18 | Berkhamsted | 5:20.08 |
| 4 | 15 | Katie CROWTHER | 15 | Co Peterboro | 5:17.02 |
| 5 | 13 | Dina DAY | 16 | Runnymede | 5:18.39 |
| 6 | 11 | Danielle RAYNER | 19 | St Ives | 5:20.64 |
| 7 | 9 | Sophie PICKERING | 15 | teamipswich | 5:21.56 |
| 8 | 7 | Georgina CURTIS | 15 | Mid Beds | 5:24.75 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 18 | Jessica WESTLAKE | 16 | St Felix Sch | 5:13.84 |
| 2 | 20 | Chantal SMITH | 15 | Team Luton | 5:13.23 |
| 3 | 22 | Jennifer BEEVOR | 18 | St Felix Sch | 5:11.72 |
| 4 | 24 | Shannon STOTT | 15 | Co St Albans | 5:09.70 |
| 5 | 23 | Millie EMMANS | 16 | Co Cambridge | 5:09.88 |
| 6 | 21 | Laura COPPING | 15 | Hatfield | 5:12.79 |
| 7 | 19 | Emma STUDD | 19 | teamipswich | 5:13.56 |
| 8 | 16 | Amber HUGHES | 16 | Hatfield | 5:16.79 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 26 | Aisling RUFF | 17 | Co Peterboro | 5:08.06 |
| 2 | 28 | Hanna JASZKIEWICZ | 15 | Co Peterboro | 5:00.50 |
| 3 | 30 | Philippa SHUTTLEWORTH | 18 | Hatfield | 4:55.70 |
| 4 | 32 | Lily WEST | 18 | Hatfield | 4:48.73 |
| 5 | 31 | Katherine BROWN | 16 | Co Peterboro | 4:49.00 |
| 6 | 29 | Leah ROUGHAN | 16 | Co Peterboro | 4:57.91 |
| 7 | 27 | Dolly TRIGG | 17 | teamipswich | 5:02.02 |
| 8 | 25 | Bethany PALMER | 17 | UEA Norwich | 5:09.46 |