EVENT 529 Open/Male 10/12 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Archie Ryder | 11 | Northampton | 1:57.70 |
| 2 | 4 | Harry Spratling | 11 | Northampton | 1:56.50 |
| 3 | 6 | Sebastian Bond | 11 | Northampton | 1:55.09 |
| 4 | 8 | Sebastian Scotter | 11 | Northampton | 1:53.20 |
| 5 | 7 | Elliott Storer | 11 | Daventry | 1:54.30 |
| 6 | 5 | Clement Turner | 11 | Corby | 1:55.21 |
| 7 | 3 | Zach Docker | 11 | Northampton | 1:57.70 |
| 8 | 1 | Matas Reklys | 11 | Northampton | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Hadley Watford | 10 | Wellingboro | 1:52.30 |
| 2 | 12 | Joey Walsh | 10 | Northampton | 1:50.30 |
| 3 | 14 | Zachary Vargyas | 10 | Northampton | 1:47.70 |
| 4 | 16 | Felix Mayer | 11 | Wellingboro | 1:45.00 |
| 5 | 15 | Joshua Daggett | 11 | Northampton | 1:47.00 |
| 6 | 13 | William Pratt | 10 | Corby | 1:50.27 |
| 7 | 11 | Lachlan Cooke | 11 | Corby | 1:51.90 |
| 8 | 9 | Dominic Obreja | 10 | Northampton | 1:52.80 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 20 | Euan Thow | 12 | Corby | 1:37.90 |
| 2 | 26 | Dylan Seelig | 12 | Northampton | 1:34.20 |
| 3 | 32 | William Stevenson | 12 | Nene Valley | 1:30.80 |
| 4 | 38 | Rupert Young | 12 | Rushden | 1:23.60 |
| 5 | 35 | Bryn Sensecall | 12 | Daventry | 1:28.30 |
| 6 | 29 | Oliver Norris | 12 | Rushden | 1:31.70 |
| 7 | 23 | Harry Bayes | 12 | Wellingboro | 1:36.70 |
| 8 | 17 | Samuel Challands | 11 | Northampton | 1:41.20 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Harry Devine | 12 | Northampton | 1:36.90 |
| 2 | 27 | Henry Raitt | 12 | Corby | 1:33.40 |
| 3 | 33 | Jacob Pawlyszyn | 12 | Wellingboro | 1:29.00 |
| 4 | 39 | Oscar Pawlowski | 12 | Corby | 1:22.20 |
| 5 | 36 | Wilfred Wright | 12 | Corby | 1:27.70 |
| 6 | 30 | Dominiks Kupcovs | 12 | Daventry | 1:31.10 |
| 7 | 24 | Hali Stevens | 11 | Corby | 1:36.40 |
| 8 | 18 | Dylan Lund | 10 | Wellingboro | 1:39.70 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Ethan Yeboah | 12 | Nene Valley | 1:36.90 |
| 2 | 28 | Dexter Sykes | 12 | Corby | 1:33.23 |
| 3 | 34 | Henry Richards | 12 | Northampton | 1:29.00 |
| 4 | 40 | Milan Rotgers | 12 | Northampton | 1:21.16 |
| 5 | 37 | Ashton Anderson | 12 | Northampton | 1:25.10 |
| 6 | 31 | Alexander Hughes | 11 | Kettering | 1:30.90 |
| 7 | 25 | Tymur Zeikan | 12 | Northampton | 1:35.90 |
| 8 | 19 | Eoin Pantos | 12 | Corby | 1:38.50 |