EVENT 304 Open/Male 09 /Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Noah Cooke | 13 | Saltburn Mar | |
| 4 | 4 | Jack Waikari | 14 | RichmondDale | 2:16.52 |
| 5 | 3 | Evan Mansbridge | 9 | Saltburn Mar | |
| 6 | 1 | Ethan JENKINS | 11 | Derwent&Gate | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Adam El-Kandoussi | 13 | Eston | 1:50.01 |
| 2 | 8 | Samuel Davies | 9 | Middlesboro | 1:44.80 |
| 3 | 10 | Daniel Rennie | 11 | Middlesboro | 1:38.36 |
| 4 | 12 | Andrew Brown | 11 | Loftus Dol | 1:33.74 |
| 5 | 11 | Oscar Webster | 10 | Eston | 1:37.09 |
| 6 | 9 | George Balmer | 9 | Middlesboro | 1:39.36 |
| 7 | 7 | Oliver Price | 10 | Saltburn Mar | 1:45.03 |
| 8 | 5 | Rocco Raine Rigg | 11 | Loftus Dol | 1:52.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Harvey Watson | 11 | Middlesboro | 1:29.84 |
| 2 | 16 | Cameron Codd | 15 | Eston | 1:25.19 |
| 3 | 18 | Edward Proud | 12 | Middlesboro | 1:20.72 |
| 4 | 20 | Max Burns | 14 | Guisborough | 1:16.66 |
| 5 | 19 | Toby Risebrow | 12 | Loftus Dol | 1:18.49 |
| 6 | 17 | Joe Dumphy-Brook | 10 | Middlesboro | 1:21.40 |
| 7 | 15 | Orin Connolly | 12 | Middlesboro | 1:28.37 |
| 8 | 13 | Casey Cook | 10 | Middlesboro | 1:31.60 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Austin McKenna | 12 | Middlesboro | 1:12.98 |
| 2 | 24 | Jacob Redding | 13 | Middlesboro | 1:11.14 |
| 3 | 26 | Benjamin Wright | 14 | Middlesboro | 1:09.13 |
| 4 | 28 | Thomas McDermott | 18 | Middlesboro | 59.60 |
| 5 | 27 | Edward Redshaw | 16 | Middlesboro | 1:00.80 |
| 6 | 25 | Archie Murgatroyd | 12 | Middlesboro | 1:10.90 |
| 7 | 23 | William Proud | 12 | Middlesboro | 1:12.32 |
| 8 | 21 | Shay Downey | 13 | Middlesboro | 1:14.56 |