EVENT 605 Open/Male 100m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Ben Barnes | 15 | Repton | 1:06.41 |
| 3 | 4 | Stephen Iankov | 13 | Repton | 1:06.18 |
| 4 | 6 | Harry Lucas | 15 | Co Leicester | 1:05.64 |
| 5 | 5 | Samuel Green | 15 | Bassetlaw SS | 1:05.64 |
| 6 | 3 | David Smurawa | 15 | Rykneld | 1:06.29 |
| 7 | 1 | Isaac Brewster | 16 | Hucknall | 1:06.75 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Matthew Tompkinson | 16 | Louth | 1:04.92 |
| 2 | 10 | Riley Hamer | 15 | Co Lincoln P | 1:04.78 |
| 3 | 12 | Marshall Golder | 15 | Hinckley | 1:04.63 |
| 4 | 14 | Daniel Hepplestone | 15 | Co Lincoln P | 1:04.37 |
| 5 | 13 | Zach Hopkinson | 16 | Grantham | 1:04.42 |
| 6 | 11 | Logan Day | 15 | Repton | 1:04.63 |
| 7 | 9 | Finlay Underwood | 16 | Rushden | 1:04.79 |
| 8 | 7 | Harvey Jay Allsopp | 16 | Repton | 1:05.61 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Thomas Townsend | 16 | Repton | 1:03.91 |
| 2 | 18 | Dominik Bartoletti | 15 | Repton | 1:03.49 |
| 3 | 20 | Seth Hems Gillson | 15 | Repton | 1:02.77 |
| 4 | 22 | Reuben Hubinger | 16 | Repton | 1:02.17 |
| 5 | 21 | Eden Saint | 15 | Derby Excel | 1:02.70 |
| 6 | 19 | Joe Helps | 16 | Repton | 1:03.01 |
| 7 | 17 | Arthur Blacklaws | 15 | Co Leicester | 1:03.88 |
| 8 | 15 | Ben Carlyle | 15 | Grantham | 1:04.06 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Morgan Farrar | 16 | Co Lincoln P | 1:02.14 |
| 2 | 26 | Paul Page | 18 | Hinckley | 1:01.93 |
| 3 | 28 | Zachary Drayson | 16 | Derby Excel | 1:01.76 |
| 4 | 30 | Rico Bringeman | 20 | Lboro Uni | 1:01.34 |
| 5 | 29 | Sam Brylka | 16 | Corby | 1:01.73 |
| 6 | 27 | Tyler Hollyman | 18 | Corby | 1:01.79 |
| 7 | 25 | Thomas Boyt | 26 | Northampton | 1:02.06 |
| 8 | 23 | Jacob Pemberton | 16 | Derby Excel | 1:02.16 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 34 | James Dobney | 21 | Grantham | 1:00.72 |
| 2 | 40 | Adam Frazer | 19 | Rushden | 59.84 |
| 3 | 46 | Roman Levchenko | 17 | Derby Excel | 58.08 |
| 4 | 52 | Zachariah Dale | 18 | Repton | 55.99 |
| 5 | 49 | Adam Metcalf | 24 | Loughborough | 57.24 |
| 6 | 43 | Constantinos Hadjicons | 25 | Uni of Nott | 59.45 |
| 7 | 37 | Caleb O'Brien | 24 | Corby | 1:00.28 |
| 8 | 31 | Benjamin Roberts | 16 | Grantham | 1:01.29 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 35 | Thomas Exall | 23 | Lboro Uni | 1:00.44 |
| 2 | 41 | Austyn Manley | 15 | Repton | 59.70 |
| 3 | 47 | Ethan Soppett-Moss | 16 | Lboro Uni | 57.95 |
| 4 | 53 | Harry Robinson | 21 | Lboro Uni | 55.08 |
| 5 | 50 | Charles Simpson | 18 | Repton | 57.01 |
| 6 | 44 | Jaden Leo | 16 | Derby Excel | 58.94 |
| 7 | 38 | Finn Arnold | 16 | Repton | 1:00.19 |
| 8 | 32 | Joshua Chirita | 16 | Repton | 1:01.13 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 36 | Jacob Brown | 18 | Lboro Uni | 1:00.32 |
| 2 | 42 | Cole Angell | 17 | Kettering | 59.63 |
| 3 | 48 | Dominic Simpson | 19 | Lboro Uni | 57.87 |
| 4 | 54 | Luke Ibbeson | 22 | Lboro Uni | 54.57 |
| 5 | 51 | Oliver Watts | 20 | Lboro Uni | 56.47 |
| 6 | 45 | Jeremiah Carnegie | 16 | Repton | 58.68 |
| 7 | 39 | Henry Knight | 20 | Rushden | 1:00.06 |
| 8 | 33 | Aman Thethy | 17 | Rushden | 1:01.08 |