EVENT 234 Open/Male 16 /Over 100m Breaststrok - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | David Roe | 42 | Kettering | 1:35.20 |
| 2 | 3 | George Brotherston | 16 | Wellingboro | 1:32.80 |
| 3 | 5 | Aris Costros | 16 | Corby | 1:30.30 |
| 4 | 7 | Zak Hesketh | 16 | Rushden | 1:29.00 |
| 5 | 6 | Ollie Hartsema | 18 | Wellingboro | 1:29.18 |
| 6 | 4 | Jack Moore | 16 | Corby | 1:31.80 |
| 7 | 2 | Rylan Jones | 17 | Wellingboro | 1:32.90 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Dorian Marafko | 16 | Corby | 1:24.60 |
| 2 | 17 | Oliver Horne | 17 | Corby | 1:18.70 |
| 3 | 23 | Oliver Dovey | 16 | Corby | 1:12.00 |
| 4 | 29 | Aryan Nath | 17 | Corby | 1:07.00 |
| 5 | 26 | Ross Balderson | 26 | Rushden | 1:10.00 |
| 6 | 20 | Dylan Bielby | 18 | Kettering | 1:14.20 |
| 7 | 14 | Ben Davies | 16 | Corby | 1:22.60 |
| 8 | 8 | Matthew Kemp | 16 | Wellingboro | 1:29.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Oscar Ufton | 17 | Wellingboro | 1:23.20 |
| 2 | 18 | Finley Emery | 17 | Rushden | 1:18.20 |
| 3 | 24 | Finlay Underwood | 17 | Rushden | 1:12.00 |
| 4 | 30 | Caleb O'Brien | 25 | Corby | 1:05.70 |
| 5 | 27 | James Henniker | 20 | Northampton | 1:09.50 |
| 6 | 21 | Jack Hurry | 17 | Northampton | 1:14.10 |
| 7 | 15 | Noah Wrightson | 22 | Wellingboro | 1:21.90 |
| 8 | 9 | Joshua Dicks | 17 | Rushden | 1:25.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Aidan Penney | 16 | Wellingboro | 1:22.90 |
| 2 | 19 | Lucas Krynauw | 17 | Wellingboro | 1:16.30 |
| 3 | 25 | Adam Frazer | 20 | Rushden | 1:10.40 |
| 4 | 31 | Aman Thethy | 18 | Rushden | 1:05.30 |
| 5 | 28 | Aaron Flynn | 36 | Wellingboro | 1:08.60 |
| 6 | 22 | Edward Oscroft | 17 | Northampton | 1:12.70 |
| 7 | 16 | Joseph Greaves | 19 | Corby | 1:20.73 |
| 8 | 10 | Jack O'Toole | 16 | Daventry | 1:24.80 |