EVENT 634 Men 16 Yrs/Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 1 | Bruce Dee | 17 | S6 | Northampton | 1:36.56 |
| 4 | 3 | Thomas Kelly | 16 | | Corby | 1:23.48 |
| 5 | 2 | Kian Saville | 23 | S10 | Daventry | 1:29.10 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 7 | Manav Mistry | 16 | | Northampton | 1:13.82 |
| 2 | 13 | Sam Gray | 16 | | Northampton | 1:08.74 |
| 3 | 19 | Ruben Snelson | 18 | | Daventry | 1:04.10 |
| 4 | 25 | Samuel Cooke | 17 | | Corby | 1:01.12 |
| 5 | 22 | Benjamin Gibbons | 16 | | Northampton | 1:02.68 |
| 6 | 16 | Chong San Marcus Chan | 16 | | Kettering | 1:07.15 |
| 7 | 10 | Conner Munden | 16 | | Northampton | 1:12.20 |
| 8 | 4 | Jack Baish | 16 | | Kettering | 1:16.13 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 8 | Jacob Hicks | 16 | | Kettering | 1:13.39 |
| 2 | 14 | Matthew Bird | 17 | | Northampton | 1:07.70 |
| 3 | 20 | Elliott Barker | 16 | | Northampton | 1:03.59 |
| 4 | 26 | Ethan Randall | 17 | | Corby | 1:01.07 |
| 5 | 23 | Ryan Coles | 18 | | Daventry | 1:01.53 |
| 6 | 17 | Bobby Phillips | 18 | | Wellingboro | 1:06.65 |
| 7 | 11 | Thomas Leak | 16 | | Kettering | 1:11.55 |
| 8 | 5 | Dylan Smith | 16 | | Kettering | 1:15.81 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 9 | Noah Wrightson | 19 | | Wellingboro | 1:12.84 |
| 2 | 15 | Connor Allen | 16 | | Wellingboro | 1:07.35 |
| 3 | 21 | Max Balderson | 20 | | Rushden | 1:03.02 |
| 4 | 27 | Adam Frazer | 17 | | Rushden | 59.79 |
| 5 | 24 | James Annable | 17 | | Kettering | 1:01.52 |
| 6 | 18 | Tyler Hollyman | 16 | | Wellingboro | 1:05.61 |
| 7 | 12 | Harry Faulkner | 17 | | Wellingboro | 1:10.01 |
| 8 | 6 | Matthew Taylor | 16 | | Northampton | 1:13.93 |