EVENT 407 Boys 100m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Kian Rock | 11 | Market Har | 2:20.00 |
| 4 | 2 | Dylan Williams | 11 | Rugby | 2:13.00 |
| 5 | 3 | Aaron Angell | 11 | Kettering | 2:12.64 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Swayley Bradbury | 12 | Modernian | 2:06.97 |
| 2 | 5 | George Hing | 10 | Modernian | 2:05.99 |
| 3 | 6 | Saul Edwards | 12 | Modernian | 2:05.13 |
| 4 | 7 | Austin Graham | 10 | Leic Peng | 1:58.76 |
| 5 | 8 | Samuel McCormick | 10 | Rugby | 1:50.00 |
| 6 | 9 | Alexandru Ierina | 12 | Kettering | 1:46.95 |
| 7 | 10 | Oliver Sutton | 13 | Leicester Ne | 1:45.00 |
| 8 | 11 | John Graham-Brown | 10 | Co Leicester | 1:40.59 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Reuben Meadows | 12 | Bassetlaw SS | 1:39.44 |
| 2 | 13 | Alex Bartlam | 12 | Co Leicester | 1:34.38 |
| 3 | 14 | Ryan Hejraty | 12 | Co Leicester | 1:34.15 |
| 4 | 15 | Maxwell Burdett | 10 | Co Leicester | 1:33.53 |
| 5 | 16 | Aryan Gupta | 15 | Leicester Ne | 1:30.47 |
| 6 | 17 | Kai Hallam | 14 | Market Har | 1:28.66 |
| 7 | 18 | Sina Mani | 14 | Kettering | 1:28.35 |
| 8 | 19 | Oliver Dovey | 12 | Market Har | 1:27.39 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 20 | Freddie Burdett | 12 | Co Leicester | 1:27.23 |
| 2 | 21 | Jack Baish | 15 | Kettering | 1:26.85 |
| 3 | 22 | C Butterell-Quanbrough | 12 | Bassetlaw SS | 1:26.58 |
| 4 | 23 | Jeremiah Muir | 15 | Kettering | 1:26.44 |
| 5 | 24 | Taylor Keen | 15 | Market Har | 1:25.31 |
| 6 | 25 | James Hockey | 13 | Coalville | 1:24.38 |
| 7 | 26 | Justin Chacksfield | 50 | Kettering | 1:23.78 |
| 8 | 27 | Finlay Underwood | 13 | Kettering | 1:22.43 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 28 | Sebastian Casey | 12 | Co Leicester | 1:19.36 |
| 2 | 29 | Harris Chacksfield | 17 | Kettering | 1:18.81 |
| 3 | 30 | Oliver Davies | 13 | Co Leicester | 1:18.25 |
| 4 | 31 | Noah Tyers | 14 | Co Leicester | 1:17.96 |
| 5 | 32 | William Lacey | 14 | Co Leicester | 1:17.23 |
| 6 | 33 | Charlie Wheeler-Kaye | 13 | Bassetlaw SS | 1:16.49 |
| 7 | 34 | Harry Simpson | 14 | Coalville | 1:16.24 |
| 8 | 35 | Joel Yates | 15 | Leicester Ne | 1:16.08 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 36 | Cole Angell | 14 | Kettering | 1:15.51 |
| 2 | 37 | Connor White | 16 | Coalville | 1:14.05 |
| 3 | 38 | Daniel Doyle | 14 | Kettering | 1:13.88 |
| 4 | 39 | Ethan Simmonds | 13 | Co Leicester | 1:13.49 |
| 5 | 40 | Yuriy Panteyev | 16 | Rugby | 1:13.46 |
| 6 | 41 | Jacob Hodkinson | 15 | Bassetlaw SS | 1:13.44 |
| 7 | 42 | Kris Moodley | 20 | NottmLeander | 1:11.14 |
| 8 | 43 | Isaac Farrow | 26 | Kettering | 1:10.56 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 45 | Lewis Cotterell | 16 | Co Leicester | 1:06.26 |
| 2 | 47 | Oliver Oxley | 16 | Co Leicester | 1:04.73 |
| 3 | 49 | Joshua Wellicome | 19 | Market Har | 1:01.79 |
| 4 | 51 | James Annable | 16 | Kettering | 1:00.88 |
| 5 | 50 | Alexander Casey | 18 | Co Leicester | 1:00.95 |
| 6 | 48 | Xeimon Parker-Cox | 20 | Leicester Ne | 1:02.03 |
| 7 | 46 | Thomas Belcher | 19 | Modernian | 1:05.50 |
| 8 | 44 | Harry Brancham | 16 | Bassetlaw SS | 1:08.55 |