EVENT 111 Womens 15 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Gabrielle VICKERS | 15 | Co Lincoln P | 5:23.87 |
| 4 | 2 | Rebecca HARRIS | 15 | Wolv'hampton | 5:23.75 |
| 5 | 3 | Frances SPINK | 15 | Co Derby | 5:22.54 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 4 | Chantelle RIDGWAY | 15 | Ellesmere Co | 5:22.42 |
| 3 | 5 | Asha ANTHONY | 15 | Nova Cent'n | 5:21.39 |
| 4 | 6 | Millie LEADER | 15 | Co Leicester | 5:18.86 |
| 5 | 7 | Sarah KING | 16 | Team Mercia | 5:18.79 |
| 6 | 8 | Alice BALL | 15 | Leic Peng | 5:18.66 |
| 7 | 9 | Anna ZAIR | 16 | Co Leicester | 5:17.45 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 10 | Sophie CRITCHLOW | 15 | Derventio | 5:17.14 |
| 2 | 11 | Sophie CULPIN | 15 | Grantham | 5:14.51 |
| 3 | 12 | Calypso HARVEY | 15 | Ledbury | 5:14.32 |
| 4 | 13 | Llawen ROSSELL-SMITH | 16 | Ellesmere Co | 5:14.30 |
| 5 | 14 | Lydia STRATFORD | 16 | Co Hereford | 5:12.69 |
| 6 | 15 | Danielle MULLINDER | 16 | Chase | 5:10.67 |
| 7 | 16 | Jessie WESTNIDGE | 15 | Chesterfield | 5:10.57 |
| 8 | 17 | Lucy STOKES | 18 | Ledbury | 5:10.39 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 18 | Lucy JONES | 16 | Biddulph | 5:08.84 |
| 2 | 19 | Lara ROBINSON | 16 | Nova Cent'n | 5:08.60 |
| 3 | 20 | Lauren WRAY | 18 | Deepings | 5:07.20 |
| 4 | 21 | Megan BERRIDGE | 17 | Nova Cent'n | 5:06.71 |
| 5 | 22 | Elizabeth DAVIES | 17 | Nova Cent'n | 5:05.61 |
| 6 | 23 | Charlotte LOMAS | 15 | Nova Cent'n | 5:03.90 |
| 7 | 24 | Kate BUCKLEY | 15 | Northampton | 5:03.50 |
| 8 | 25 | Poppy HILL | 17 | Royal Wolv | 5:02.99 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 26 | Alice DEARING | 16 | Royal Wolv | 5:02.96 |
| 2 | 27 | Grace CONLON | 18 | Royal Wolv | 5:01.98 |
| 3 | 28 | Gabriella CRAWFORD | 15 | Nova Cent'n | 5:01.32 |
| 4 | 29 | Madelaine TRACY | 17 | Wrekin Coll | 5:01.00 |
| 5 | 30 | Danielle BINKS | 15 | Nova Cent'n | 4:59.71 |
| 6 | 31 | Candice HALL | 15 | Co Leicester | 4:52.22 |
| 7 | 32 | Molly RENSHAW | 17 | Derventio | 4:46.93 |
| 8 | 33 | Amber KEEGAN | 16 | Nova Cent'n | 4:46.20 |