EVENT 309 Female 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Cassandra Pereira | 14 | Hatfield | 18:42.54 |
| 4 | 4 | Emma Cushion | 14 | Co Peterboro | 18:38.02 |
| 5 | 3 | Esmie Kidman | 18 | West Norfolk | 18:41.50 |
| 6 | 1 | Eveline Gaydon | 15 | Chelmsford | 18:43.90 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Francesca Barber | 15 | Co Norwich | 18:23.62 |
| 2 | 8 | Anabelle Kett | 15 | Co Peterboro | 18:18.36 |
| 3 | 10 | Gabriella Troman | 15 | teamipswich | 18:12.60 |
| 4 | 12 | Chloe Barnard | 15 | Basildon Ph | 17:21.00 |
| 5 | 11 | Weronika Mikolajewska | 16 | Co Cambridge | 18:02.00 |
| 6 | 9 | Cailin Hehir | 16 | Watford SC | 18:13.48 |
| 7 | 7 | Florence Crowley | 18 | Co St Albans | 18:18.89 |
| 8 | 5 | Amelia Saunders | 16 | Norwich Swan | 18:36.40 |