| | Heat Number - 1 | | | |
| Lane | Comp.No. | __________Name__________ | AaD | Club/Country | Time |
| 3 | 2 | Becky GARNER | 10 | Co Cambridge | 2:10.00 |
| 4 | 4 | Ginny ROSE | 10 | Co Cambridge | 2:10.00 |
| 5 | 3 | Lili RONEY | 11 | Co Cambridge | 2:10.00 |
| 6 | 1 | Emily WINDSOR | 12 | Co Cambridge | 5:00.00 |
| | Heat Number - 2 | | | |
| Lane | Comp.No. | __________Name__________ | AaD | Club/Country | Time |
| 1 | 6 | Eve WILLIAMS | 10 | Co Cambridge | 2:00.00 |
| 2 | 8 | Tamsin DRYSDALE | 12 | Co Cambridge | 1:55.00 |
| 3 | 10 | Louise SCOTT | 12 | Co Cambridge | 1:50.00 |
| 4 | 12 | Hannah SABEY | 11 | Co Cambridge | 1:48.70 |
| 5 | 11 | Ella WILLIAMS | 12 | Co Cambridge | 1:50.00 |
| 6 | 9 | Ryanne BAILEY | 10 | Co Cambridge | 1:50.40 |
| 7 | 7 | Amy DRYSDALE | 10 | Co Cambridge | 1:55.00 |
| 8 | 5 | Emma WHITE | 11 | Co Cambridge | 2:10.00 |
| | Heat Number - 3 | | | |
| Lane | Comp.No. | __________Name__________ | AaD | Club/Country | Time |
| 1 | 14 | Rebecca MORGAN | 12 | Co Cambridge | 1:42.68 |
| 2 | 16 | Nicola JEFFERIES | 10 | Co Cambridge | 1:38.29 |
| 3 | 18 | Sam AUKER | 12 | Co Cambridge | 1:37.87 |
| 4 | 20 | Alexandra HOLT | 11 | Co Cambridge | 1:36.08 |
| 5 | 19 | Katie-jane ISBISTER | 12 | Co Cambridge | 1:36.16 |
| 6 | 17 | Annie LITTLE | 11 | Co Cambridge | 1:38.05 |
| 7 | 15 | Sarah PEDDER | 11 | Co Cambridge | 1:39.34 |
| 8 | 13 | Zoe KORNIOTIS | 15 | Co Cambridge | 1:48.07 |
| | Heat Number - 4 | | | |
| Lane | Comp.No. | __________Name__________ | AaD | Club/Country | Time |
| 1 | 22 | Sophie LANKFORD | 12 | Co Cambridge | 1:32.97 |
| 2 | 24 | On ching LO | 13 | Co Cambridge | 1:30.83 |
| 3 | 26 | Emma STRUTHERS | 13 | Co Cambridge | 1:27.75 |
| 4 | 28 | Holly REES | 14 | Co Cambridge | 1:23.46 |
| 5 | 27 | Sarah BRENNAN | 14 | Co Cambridge | 1:24.26 |
| 6 | 25 | Georgia CRAWFORD | 11 | Co Cambridge | 1:27.87 |
| 7 | 23 | Lois GILLIE-ANDREWS | 13 | Co Cambridge | 1:31.74 |
| 8 | 21 | Hannah JONES | 12 | Co Cambridge | 1:34.10 |
| | Heat Number - 5 | | | |
| Lane | Comp.No. | __________Name__________ | AaD | Club/Country | Time |
| 1 | 30 | Mara JOHNSON | 15 | Co Cambridge | 1:23.00 |
| 2 | 32 | Victoria WAY | 15 | Co Cambridge | 1:22.15 |
| 3 | 34 | Charlotte BEGG | 13 | Co Cambridge | 1:21.28 |
| 4 | 36 | Georgina ROUGHSEDGE | 14 | Co Cambridge | 1:18.55 |
| 5 | 35 | Sophie LANHAM | 14 | Co Cambridge | 1:20.65 |
| 6 | 33 | Zoe OTHIENO | 14 | Co Cambridge | 1:21.40 |
| 7 | 31 | Millie ROSE | 12 | Co Cambridge | 1:22.94 |
| 8 | 29 | Fay WESTWOOD | 15 | Co Cambridge | 1:23.09 |
| | Heat Number - 6 | | | |
| Lane | Comp.No. | __________Name__________ | AaD | Club/Country | Time |
| 1 | 38 | Ruth BROWN | 37 | Co Cambridge | 1:17.46 |
| 2 | 40 | Catherine MUMFORD | 16 | Co Cambridge | 1:15.52 |
| 3 | 42 | Isabella THOMSON | 15 | Co Cambridge | 1:13.55 |
| 4 | 44 | Soraya SASSANI | 15 | Co Cambridge | 1:12.19 |
| 5 | 43 | Katherine HEDLEY | 21 | Co Cambridge | 1:12.46 |
| 6 | 41 | Bryony ROWSEL | 14 | Co Cambridge | 1:14.53 |
| 7 | 39 | Helen STRUTHERS | 15 | Co Cambridge | 1:16.00 |
| 8 | 37 | Amy DIVE | 15 | Co Cambridge | 1:18.49 |