EVENT 505 Men Open 100m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Martin Iankov | 14 | DerbyPhoenix | 1:09.68 |
| 4 | 3 | Alfie Lynch | 14 | DerbyPhoenix | 1:09.62 |
| 5 | 2 | Thomas Blacklaws | 14 | Co Leicester | 1:09.63 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Jacob Fish | 13 | Grantham | 1:09.56 |
| 3 | 7 | Mario Vasconcellos-Bla | 14 | Northampton | 1:09.51 |
| 4 | 9 | Jake Adams | 15 | Louth | 1:08.91 |
| 5 | 8 | Jacob Milward | 15 | Nova Cent'n | 1:09.14 |
| 6 | 6 | Arron Simpson | 15 | Long Eaton | 1:09.55 |
| 7 | 4 | William Parnell | 15 | Co Lincoln P | 1:09.60 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Harrison Bywater | 15 | Loughborough | 1:08.84 |
| 2 | 13 | Ethan Soppett-Moss | 13 | Corby | 1:08.66 |
| 3 | 15 | Ewan Cox | 14 | Co Lincoln P | 1:08.52 |
| 4 | 17 | Liam Hill | 15 | Nova Cent'n | 1:08.49 |
| 5 | 16 | Aman Thethy | 14 | Rushden | 1:08.51 |
| 6 | 14 | Bailey Saunders | 15 | Dronfield | 1:08.63 |
| 7 | 12 | Jake Baugh | 15 | Sutton | 1:08.74 |
| 8 | 10 | Billy Harding | 13 | Repton | 1:08.91 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Alexander Menshutkin | 15 | Kettering | 1:07.93 |
| 2 | 21 | Zak Frisby | 15 | Radford | 1:07.30 |
| 3 | 23 | Harry Milne | 14 | Repton | 1:07.24 |
| 4 | 25 | George Cummings | 15 | NottmLeander | 1:06.60 |
| 5 | 24 | Cole Angell | 14 | Kettering | 1:07.01 |
| 6 | 22 | Layne Keyworth | 14 | Bassetlaw SS | 1:07.29 |
| 7 | 20 | Joshua Clarke | 14 | Grantham | 1:07.73 |
| 8 | 18 | Jack Zeravica | 14 | Grantham | 1:07.99 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Laurel Roberts-Burrell | 15 | NottmLeander | 1:05.78 |
| 2 | 29 | Jared Collins | 14 | Nova Cent'n | 1:05.59 |
| 3 | 31 | Joseph Mulligan | 16 | Bramcote | 1:05.48 |
| 4 | 33 | Willem Muddimer | 17 | Loughborough | 1:05.20 |
| 5 | 32 | Lewis Cotterell | 16 | Co Leicester | 1:05.42 |
| 6 | 30 | Oliver Silver | 16 | Radford | 1:05.52 |
| 7 | 28 | Cade Deaves | 17 | Nova Cent'n | 1:05.66 |
| 8 | 26 | Alfie Molloy | 15 | Loughborough | 1:06.32 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 37 | Joseph Parnell | 15 | Co Lincoln P | 1:04.28 |
| 2 | 43 | Nathan Morgan | 16 | Repton | 1:02.99 |
| 3 | 49 | Henry Crust | 17 | Co Lincoln P | 1:02.18 |
| 4 | 55 | Ethan Riches | 19 | Co Lincoln P | 58.90 |
| 5 | 52 | Ezra Lambert | 16 | Repton | 1:00.67 |
| 6 | 46 | Ross Balderson | 22 | Rushden | 1:02.60 |
| 7 | 40 | Henry Knight | 17 | Northampton | 1:03.58 |
| 8 | 34 | James Berry | 15 | Radford | 1:05.02 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 38 | Oliver Osborne | 15 | Derventio | 1:04.14 |
| 2 | 44 | Joshua Wellicome | 19 | Market Har | 1:02.93 |
| 3 | 50 | Lewis Warner | 17 | Bassetlaw SS | 1:01.37 |
| 4 | 56 | Jake Hutchinson | 16 | Co Leicester | 58.29 |
| 5 | 53 | Jack Blair | 24 | Chesterfield | 59.64 |
| 6 | 47 | Ryan Coles | 17 | Daventry | 1:02.46 |
| 7 | 41 | Kyle Merryweather | 18 | Radford | 1:03.37 |
| 8 | 35 | Kieran Howard | 16 | Radford | 1:04.95 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 39 | Luke Witten | 18 | Long Eaton | 1:04.13 |
| 2 | 45 | Harry Benzies | 17 | Bassetlaw SS | 1:02.61 |
| 3 | 51 | Adam Frazer | 16 | Rushden | 1:00.68 |
| 4 | 57 | Oliver Taverner | 21 | Loughboro Un | 57.94 |
| 5 | 54 | Dominic Bools | 19 | Repton | 58.97 |
| 6 | 48 | Oliver Oxley | 16 | Co Leicester | 1:02.45 |
| 7 | 42 | Alfie Silver | 16 | Radford | 1:03.32 |
| 8 | 36 | James Dobney | 18 | Grantham | 1:04.59 |