EVENT 306 Womens Open 400m IM - Heats
Not Competing : 3,5,8
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 2 | Sophie Howard | 16 | Braintree | 5:51.80 |
| 2 | 6 | Jennifer Beevor | 16 | St Felix Sch | 5:19.33 |
| 3 | 9 | Dolly Trigg | 15 | teamipswich | 5:26.28 |
| 4 | 11 | Jennifer Seaman | 18 | UEA Norwich | 5:12.90 |
| 5 | 10 | Charlotte McRae | 18 | Co Peterboro | 5:12.85 |
| 6 | 7 | Aisling Ruff | 15 | Co Peterboro | 5:19.75 |
| 7 | 4 | Yasmin Brand | 15 | Watford SC | DQ:T . |
| 8 | 1 | Bethany Palmer | 15 | Little Fish | 5:34.40 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 13 | Rhiannon McCaffray | 16 | Modernians | 5:15.33 |
| 2 | 15 | Philippa Shuttleworth | 16 | Hatfield | 5:17.57 |
| 3 | 17 | Evangelina Fisher | 18 | Chelmsford | 5:14.43 |
| 4 | 19 | Chloe Hannam | 16 | Co Peterboro | 4:55.76 |
| 5 | 18 | Zara Bailey | 17 | Co Peterboro | 4:59.81 |
| 6 | 16 | Amber Swales | 17 | Mid Beds | 5:15.54 |
| 7 | 14 | Emily McRae | 16 | Co Peterboro | 5:13.42 |
| 8 | 12 | Heather Pfeiffer | 16 | Co Peterboro | 5:21.58 |