EVENT 507 Womens Open 800m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 2 | Ella Thatcher-Plant | 14 | Wrekin Coll | 9:11.90 |
| 2 | 4 | Neve Fergie | 17 | Nova Cent'n | 9:08.70 |
| 3 | 6 | Sarah Branch | 16 | Northampton | 9:06.40 |
| 4 | 8 | Alicia Dingle | 14 | Royal Wolv | 9:05.60 |
| 5 | 7 | Alexandra Bartley | 14 | Co Birm'ham | 9:06.00 |
| 6 | 5 | Sophie Negrine | 13 | Ellesmere Co | 9:07.30 |
| 7 | 3 | Emily Bate | 14 | Royal Wolv | 9:08.90 |
| 8 | 1 | Mia Barber | 15 | Derventio | 9:12.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 10 | Abigail Burr | 18 | Lincoln Vulc | 8:55.88 |
| 2 | 12 | Melanie Hall | 17 | Royal Wolv | 8:53.00 |
| 3 | 14 | Mollie Wright | 18 | Nova Cent'n | 8:52.40 |
| 4 | 16 | Niamh Hofland | 14 | Royal Wolv | 8:47.60 |
| 5 | 15 | Phoebe Griffiths | 16 | Ellesmere Co | 8:50.77 |
| 6 | 13 | Michaella Glenister | 14 | Co Leicester | 8:52.52 |
| 7 | 11 | Rose Foden | 17 | Northampton | 8:54.10 |
| 8 | 9 | Esther Halford | 16 | Derventio | 8:57.12 |