| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Aidan Wood | Thurrock Swimming Club | Aidan Wood Thurrock Swimming Club |
1:35.36 |
| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Jenson Hurrell | Thurrock Swimming Club | Jenson Hurrell Thurrock Swimming Club |
1:14.63 |
| 2 | Jude Hills | Borough of Southend Swimming and | Jude Hills Borough of Southend Swimming and |
1:14.71 |
| 3 | Jimmy Taylor | Thurrock Swimming Club | Jimmy Taylor Thurrock Swimming Club |
1:18.76 |
| 4 | Nikita Charykin | Thurrock Swimming Club | Nikita Charykin Thurrock Swimming Club |
1:20.47 |
| 5 | Xavier Baker-Woods | Team Ipswich Swimming | Xavier Baker-Woods Team Ipswich Swimming |
1:23.63 |
| 6 | Ben Minister | Thurrock Swimming Club | Ben Minister Thurrock Swimming Club |
1:27.87 |
| 7 | Harrison Dessoy | Thurrock Swimming Club | Harrison Dessoy Thurrock Swimming Club |
1:29.16 |
| 8 | Thomas Lea | London Aquatics Centre Performan | Thomas Lea London Aquatics Centre Performan |
1:31.68 |
| 9 | Ethan Paraiwa | Thurrock Swimming Club | Ethan Paraiwa Thurrock Swimming Club |
1:32.28 |
| 10 | Frederick Langmead | Borough of Southend Swimming and | Frederick Langmead Borough of Southend Swimming and |
1:40.53 |
| 11 | Ramsey Ebdon | Canvey Island SC | Ramsey Ebdon Canvey Island SC |
1:43.79 |
| 12 | Sebastian Jarvis | Greenwich Royals SC | Sebastian Jarvis Greenwich Royals SC |
1:46.05 |
| 13 | Kai Yeldham | Canvey Island SC | Kai Yeldham Canvey Island SC |
1:49.83 |
| 14 | Ismail Ayad | London Aquatics Centre Performan | Ismail Ayad London Aquatics Centre Performan |
1:50.58 |
| Oliver Woodford | Canvey Island SC | Oliver Woodford Canvey Island SC |
DQ FI |
| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Jack Conroy | Thurrock Swimming Club | Jack Conroy Thurrock Swimming Club |
1:12.61 |
| 2 | Aaron Lambie | Thurrock Swimming Club | Aaron Lambie Thurrock Swimming Club |
1:17.72 |
| 3 | Jaheim Konteh | Thurrock Swimming Club | Jaheim Konteh Thurrock Swimming Club |
1:19.83 |
| 4 | Harrison Jarvis | Thurrock Swimming Club | Harrison Jarvis Thurrock Swimming Club |
1:20.27 |
| 5 | James Edwards | Borough of Southend Swimming and | James Edwards Borough of Southend Swimming and |
1:31.26 |
| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Jack Williams | Thurrock Swimming Club | Jack Williams Thurrock Swimming Club |
1:12.58 |
| 2 | Kieron Harris | Thurrock Swimming Club | Kieron Harris Thurrock Swimming Club |
1:13.53 |