| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Tierney Rooney | Romford Town SC | Tierney Rooney Romford Town SC |
1:39.32 |
| 2 | Sophie Conroy | Thurrock Swimming Club | Sophie Conroy Thurrock Swimming Club |
1:49.74 |
| 3 | Eloise Bruce | Thurrock Swimming Club | Eloise Bruce Thurrock Swimming Club |
1:55.37 |
| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Nonhlanhla Thole | Thurrock Swimming Club | Nonhlanhla Thole Thurrock Swimming Club |
1:18.85 |
| 2 | Bryony Edgings | Thurrock Swimming Club | Bryony Edgings Thurrock Swimming Club |
1:31.26 |
| 3 | Madalyne Allkins | Thurrock Swimming Club | Madalyne Allkins Thurrock Swimming Club |
1:41.07 |
| 4 | Jasmine Verlander | Thurrock Swimming Club | Jasmine Verlander Thurrock Swimming Club |
1:41.93 |
| 5 | Kitty Leggett | London Aquatics Centre Performan | Kitty Leggett London Aquatics Centre Performan |
1:49.25 |
| Ava Young | London Aquatics Centre Performan | Ava Young London Aquatics Centre Performan |
DQ SL |
| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Tilly Mayes | Thurrock Swimming Club | Tilly Mayes Thurrock Swimming Club |
1:14.04 |
| 2 | Kiara Marais | Thurrock Swimming Club | Kiara Marais Thurrock Swimming Club |
1:14.36 |
| 3 | Radost Milkova | Thurrock Swimming Club | Radost Milkova Thurrock Swimming Club |
1:18.15 |
| 4 | Phoebe Brennan | Thurrock Swimming Club | Phoebe Brennan Thurrock Swimming Club |
1:20.92 |
| 5 | Jennifer Riddle | Borough of Southend Swimming and | Jennifer Riddle Borough of Southend Swimming and |
1:24.64 |
| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Martine Tran | Thurrock Swimming Club | Martine Tran Thurrock Swimming Club |
1:08.81 |
| 2 | Annabel Speers | Thurrock Swimming Club | Annabel Speers Thurrock Swimming Club |
1:15.85 |
| 3 | Bethany Byrne | Thurrock Swimming Club | Bethany Byrne Thurrock Swimming Club |
1:17.09 |