| | Heat Number - 1 | | | |
| Lane | Comp.No. | __________Name__________ | AaD | Club/Country | Time |
| 3 | 1 | Emily WINDSOR | 12 | Co Cambridge | 5:00.00 |
| 4 | 2 | Ryanne BAILEY | 10 | Co Cambridge | 3:30.00 |
| 5 | 3 | Kate ROLLINGS | 12 | Co Cambridge | 3:25.00 |
| 6 | 4 | Sam AUKER | 12 | Co Cambridge | 3:20.00 |
| | Heat Number - 2 | | | |
| Lane | Comp.No. | __________Name__________ | AaD | Club/Country | Time |
| 1 | 6 | Nicola JEFFERIES | 10 | Co Cambridge | 3:13.18 |
| 2 | 8 | Sophie LANHAM | 14 | Co Cambridge | 3:00.00 |
| 3 | 10 | Holly REES | 14 | Co Cambridge | 2:56.71 |
| 4 | 12 | Mara JOHNSON | 15 | Co Cambridge | 2:55.00 |
| 5 | 11 | Sarah BRENNAN | 14 | Co Cambridge | 2:56.14 |
| 6 | 9 | Millie ROSE | 12 | Co Cambridge | 2:59.37 |
| 7 | 7 | Alexandra HOLT | 11 | Co Cambridge | 3:11.11 |
| 8 | 5 | Georgia CRAWFORD | 11 | Co Cambridge | 3:14.17 |
| | Heat Number - 3 | | | |
| Lane | Comp.No. | __________Name__________ | AaD | Club/Country | Time |
| 1 | 20 | Ellie Winter | 12 | Co Cambridge | 2:50.00 |
| 2 | 15 | Soraya SASSANI | 15 | Co Cambridge | 2:45.00 |
| 3 | 17 | Isabella THOMSON | 15 | Co Cambridge | 2:43.00 |
| 4 | 19 | Georgina ROUGHSEDGE | 14 | Co Cambridge | 2:40.29 |
| 5 | 18 | Bryony ROWSEL | 14 | Co Cambridge | 2:42.57 |
| 6 | 16 | Zoe OTHIENO | 14 | Co Cambridge | 2:43.45 |
| 7 | 14 | Amy DIVE | 15 | Co Cambridge | 2:48.19 |
| 8 | 13 | Fay WESTWOOD | 15 | Co Cambridge | 2:54.93 |