EVENT 107 Open/Male 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Thomas Wainwright | 9 | Bedford SS | 53.11 |
| 3 | 2 | James Pickering | 11 | Hinckley | 51.59 |
| 4 | 3 | Ralph Goodman | 10 | Leic Sharks | 51.59 |
| 5 | 4 | Dexter Irving | 11 | Hinckley | 51.51 |
| 6 | 5 | Rowan Meats | 11 | Hinckley | 49.64 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Isaac Smith | 11 | Hinckley | 49.28 |
| 2 | 7 | Reuben Cox | 12 | Bedford SS | 48.33 |
| 3 | 8 | Sansar Dhami | 10 | Leic Sharks | 48.03 |
| 4 | 9 | Lucas Harward | 11 | Kingsbury | 47.92 |
| 5 | 10 | Sebastian Jones | 11 | Leic Sharks | 46.92 |
| 6 | 11 | Avery Starr | 12 | NottmLeander | 46.33 |
| 7 | 12 | Ellis Casement | 12 | Loughborough | 45.76 |
| 8 | 13 | Jack Ardley | 10 | Leic Sharks | 45.66 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Toby Paterson | 12 | Hinckley | 45.44 |
| 2 | 15 | Tom Hall | 13 | Bedford SS | 44.97 |
| 3 | 16 | Joshua Duckworth | 10 | Hinckley | 44.28 |
| 4 | 17 | Zakariya Patel | 12 | Leic Sharks | 43.31 |
| 5 | 18 | Joel Gardner | 12 | Loughborough | 43.27 |
| 6 | 19 | Spencer Cross | 11 | Melton M'bry | 42.91 |
| 7 | 20 | Felix Pemberton | 11 | NottmLeander | 42.50 |
| 8 | 21 | Sridhar Prabhu | 12 | Bedford SS | 42.50 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Andrew Blair | 15 | Leicester Ne | 42.20 |
| 2 | 23 | Cabhan Coleman | 11 | Leicester Ne | 42.02 |
| 3 | 24 | Benjamin Parker | 10 | Calv Bing | 42.00 |
| 4 | 25 | Callum Jones | 11 | Leic Sharks | 41.91 |
| 5 | 26 | Rowan Fletcher | 14 | Long Eaton | 41.87 |
| 6 | 27 | Alf Coles | 11 | Leic Sharks | 41.75 |
| 7 | 28 | Sebastian Duckworth | 12 | Hinckley | 41.74 |
| 8 | 29 | Max White | 12 | Derby Excel | 41.54 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 30 | Jacob Dockrell | 12 | Leic Sharks | 41.32 |
| 2 | 31 | Oliver Haker | 12 | NottmLeander | 41.30 |
| 3 | 32 | Alfie Wheater-Lowe | 12 | NottmLeander | 41.25 |
| 4 | 33 | Thomas Wittering | 13 | Hinckley | 41.22 |
| 5 | 34 | Seth Barley | 11 | Bedford SS | 40.40 |
| 6 | 35 | Noah Redwood-Moore | 13 | Melton M'bry | 40.25 |
| 7 | 36 | Henry Evans | 12 | Louth | 40.20 |
| 8 | 37 | Isaac Hawkins | 13 | Kingsbury | 40.05 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 38 | Samuel Bone | 12 | Hinckley | 40.02 |
| 2 | 39 | Hudson Carter | 12 | Long Eaton | 39.83 |
| 3 | 40 | Theo Vandoros | 13 | Melton M'bry | 38.74 |
| 4 | 41 | Archie Dickins | 14 | Hinckley | 38.15 |
| 5 | 42 | Oliver Haggerty | 14 | Loughborough | 37.76 |
| 6 | 43 | Hani Mesbah | 17 | NottmLeander | 37.73 |
| 7 | 44 | Jacob Cliffe | 14 | Hinckley | 37.63 |
| 8 | 45 | Nathan Dew | 15 | Leic Sharks | 37.33 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 46 | Leo Stewart | 11 | Leic Sharks | 37.22 |
| 2 | 47 | Albert Haile | 14 | Louth | 36.93 |
| 3 | 48 | Barnaby Adams | 15 | NottmLeander | 36.69 |
| 4 | 49 | Charlie Newborough | 14 | NottmLeander | 36.24 |
| 5 | 50 | Arthur Wainwright | 13 | Bedford SS | 36.20 |
| 6 | 51 | Marshall Dawe | 15 | Kingsbury | 35.43 |
| 7 | 52 | Kevin Varga | 13 | Co Leicester | 34.85 |
| 8 | 53 | Alexander Sillence | 16 | NottmLeander | 34.37 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 54 | Riley Burns | 13 | Sherwood | 34.30 |
| 2 | 55 | Zachary Evans | 14 | Louth | 34.00 |
| 3 | 56 | Charles Saturnino | 13 | NottmLeander | 33.50 |
| 4 | 57 | Hamish Dowden | 15 | NottmLeander | 33.10 |
| 5 | 58 | Samuel Hicks | 15 | Leic Sharks | 32.99 |
| 6 | 59 | Seth Gardner | 15 | Loughborough | 32.91 |
| 7 | 60 | Lucas Willis-Culpitt | 14 | Leic Sharks | 32.71 |
| 8 | 61 | Jack Paterson | 16 | Hinckley | 32.63 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 63 | Charlie Heather | 16 | Long Eaton | 31.89 |
| 2 | 65 | Veljko Zivko | 16 | Bedford SS | 31.00 |
| 3 | 67 | Oliver Chadwick | 16 | Bedford SS | 30.64 |
| 4 | 69 | Nikolai Khutoryanskiy | 23 | Long Eaton | 28.99 |
| 5 | 68 | Theo Black | 16 | Leic Sharks | 29.51 |
| 6 | 66 | Callum Shiells | 18 | Leic Sharks | 30.94 |
| 7 | 64 | Joshua Bone | 17 | Hinckley | 31.75 |
| 8 | 62 | Oliver Bisby | 15 | NottmLeander | 31.90 |