| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Elise Delapperall | Thurrock Swimming Club | Elise Delapperall Thurrock Swimming Club |
3:12.39 |
| 2 | Sophie Conroy | Thurrock Swimming Club | Sophie Conroy Thurrock Swimming Club |
3:34.43 |
| 3 | Anna-Lucia Fenner | Romford Town SC | Anna-Lucia Fenner Romford Town SC |
3:35.26 |
| 4 | Jaymee Wardell | London Aquatics Centre Performan | Jaymee Wardell London Aquatics Centre Performan |
3:37.10 |
| 5 | Aaliyah Richards | London Aquatics Centre Performan | Aaliyah Richards London Aquatics Centre Performan |
3:40.55 |
| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Michaela Taiwo | Thurrock Swimming Club | Michaela Taiwo Thurrock Swimming Club |
2:58.89 |
| 2 | Nonhlanhla Thole | Thurrock Swimming Club | Nonhlanhla Thole Thurrock Swimming Club |
3:00.25 |
| 3 | Bryony Edgings | Thurrock Swimming Club | Bryony Edgings Thurrock Swimming Club |
3:08.21 |
| 4 | Teni Ogunlesi | Thurrock Swimming Club | Teni Ogunlesi Thurrock Swimming Club |
3:12.60 |
| 5 | Amelia Patterson | Thurrock Swimming Club | Amelia Patterson Thurrock Swimming Club |
3:16.85 |
| 6 | Alexa Miles-Stevens | Thurrock Swimming Club | Alexa Miles-Stevens Thurrock Swimming Club |
3:21.67 |
| 7 | Kaitlin Lovell | London Aquatics Centre Performan | Kaitlin Lovell London Aquatics Centre Performan |
3:22.79 |
| 8 | Caitlin Murray | Thurrock Swimming Club | Caitlin Murray Thurrock Swimming Club |
3:25.44 |
| 9 | Jasmine Verlander | Thurrock Swimming Club | Jasmine Verlander Thurrock Swimming Club |
3:26.51 |
| 10 | Eleanor Lennon | Thurrock Swimming Club | Eleanor Lennon Thurrock Swimming Club |
3:38.30 |
| 11 | Ava Young | London Aquatics Centre Performan | Ava Young London Aquatics Centre Performan |
3:40.55 |
| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Gracie Mae Martin | Thurrock Swimming Club | Gracie Mae Martin Thurrock Swimming Club |
2:37.96 |
| 2 | Phoebe Brennan | Thurrock Swimming Club | Phoebe Brennan Thurrock Swimming Club |
2:48.99 |
| 3 | Jasmine Wallace | Sevenoaks SC | Jasmine Wallace Sevenoaks SC |
2:51.12 |
| 4 | Radost Milkova | Thurrock Swimming Club | Radost Milkova Thurrock Swimming Club |
2:51.94 |
| 5 | Rebecca Honeywell | Thurrock Swimming Club | Rebecca Honeywell Thurrock Swimming Club |
2:54.92 |
| 6 | Cate Diaz Anaya | Thurrock Swimming Club | Cate Diaz Anaya Thurrock Swimming Club |
2:57.09 |
| 7 | Lillian Tagg | Thurrock Swimming Club | Lillian Tagg Thurrock Swimming Club |
2:58.84 |
| 8 | Eden Parkin | Thurrock Swimming Club | Eden Parkin Thurrock Swimming Club |
3:02.67 |
| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Bethany Byrne | Thurrock Swimming Club | Bethany Byrne Thurrock Swimming Club |
2:46.50 |