EVENT 307 Men's 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 75 | William Ellard | 06 | St Felix Sch | 1::0.1: |
| 3 | 2 | Evan Davies | 06 | Co Cardiff | 52.19 |
| 4 | 4 | Aryaan Din | 03 | Chelsea&West | 52.14 |
| 5 | 3 | Alec White | 01 | Exeter City | 52.17 |
| 6 | 1 | Oliver Dade | 05 | Gloucester | 52.19 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 6 | Finlay Clubb | 05 | Edinburgh Un | 52.04 |
| 1 | 8 | Adam Graham | 05 | Millfield | 51.94 |
| 2 | 10 | Charlie Poole | 01 | UniOfStirl | 51.87 |
| 3 | 12 | Henry Baker | 03 | UniOfStirl | 51.86 |
| 4 | 14 | Jacques Bonsell | 99 | Co Cambridge | 51.80 |
| 5 | 13 | Jonathan Turck | 06 | Mt Kelly | 51.80 |
| 6 | 11 | Ben Blowers | 02 | Lboro Uni | 51.87 |
| 7 | 9 | Maxwell Adams | 05 | Wycombe Dist | 51.94 |
| 8 | 7 | Jack Jenkinson | 06 | Skipton | 52.01 |
| 9 | 5 | Lauchlan Parrott | 07 | Millfield | 52.07 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 16 | Malachi Cohen | 03 | Barnes | 51.76 |
| 1 | 18 | Reid Jones | 02 | Plymouth Lea | 51.70 |
| 2 | 20 | Ruairi McKinnon | 04 | Co Glasgow | 51.65 |
| 3 | 22 | Leon Mowlem | 03 | Plymouth Lea | 51.60 |
| 4 | 24 | Matthew Baker | 06 | West Suffolk | 51.54 |
| 5 | 23 | Anthony Whittall | 05 | Stockport Mo | 51.59 |
| 6 | 21 | Daniel Gencas | 03 | Lboro Uni | 51.61 |
| 7 | 19 | Luke Ibbeson | 03 | Lboro Uni | 51.66 |
| 8 | 17 | Josh Williams | 02 | Swansea Uni | 51.74 |
| 9 | 15 | Oliver Watts | 05 | Lboro Uni | 51.78 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 26 | Thomas Exall | 02 | Lboro Uni | 51.47 |
| 1 | 28 | Lewis Maxwell | 03 | N & D PP SC | 51.46 |
| 2 | 30 | Miles Drabwell | 01 | Co Milton K | 51.37 |
| 3 | 32 | Arun Oelkers | 05 | UniOfStirl | 51.22 |
| 4 | 34 | Nicholas Finch | 06 | Chelsea&West | 51.14 |
| 5 | 33 | Harry Robinson | 04 | Lboro Uni | 51.16 |
| 6 | 31 | Tom Trueman | 04 | Derby Excel | 51.26 |
| 7 | 29 | Matthew Wright | 98 | Team Luton | 51.44 |
| 8 | 27 | Gabriel Shepherd | 08 | Co Leeds | 51.47 |
| 9 | 25 | Jack Skerry | 04 | Bath PC | 51.53 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 36 | Henry Gray | 06 | Chelsea&West | 51.13 |
| 1 | 38 | Aiden Symons-Brown | 04 | Plymouth Lea | 51.03 |
| 2 | 40 | Lewis Fraser | 00 | Swansea Uni | 50.96 |
| 3 | 42 | Jacob Mills | 07 | Co Leicester | 50.82 |
| 4 | 44 | Cameron Kurle | 97 | Millfield | 50.75 |
| 5 | 43 | Jake Gaunt | 05 | Soundwell | 50.79 |
| 6 | 41 | Angelo Giani Contini | 06 | Newcastle | 50.90 |
| 7 | 39 | George Snow | 06 | Millfield | 51.00 |
| 8 | 37 | Maddox Roberts | 06 | Witham Dolph | 51.06 |
| 9 | 35 | Solomon Williams | 05 | Millfield | 51.13 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 48 | Michael Ripper | 01 | Lboro Uni | 50.56 |
| 1 | 54 | Scott Gibson | 00 | Edinburgh Un | 50.28 |
| 2 | 60 | Alexander Painter | 04 | Millfield | 49.36 |
| 3 | 66 | Alexander Cohoon | 02 | Lboro Uni | 49.10 |
| 4 | 72 | Duncan Scott | 97 | UniOfStirl | 48.00 |
| 5 | 69 | Edward Mildred | 03 | Bath PC | 48.83 |
| 6 | 63 | Thomas Watkin | 02 | Millfield | 49.24 |
| 7 | 57 | Jamie Ingram | 98 | Co Manch Aq | 49.57 |
| 8 | 51 | Freddie Ashley-Sparks | 02 | Plymouth Lea | 50.50 |
| 9 | 45 | Max McCusker | 99 | Millfield | 50.73 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 49 | Stefan Krawiec | 06 | East Lothian | 50.55 |
| 1 | 55 | Ben Cope | 01 | Co Sheffield | 50.07 |
| 2 | 61 | Dan Jones | 96 | Swansea Uni | 49.26 |
| 3 | 67 | Joe Litchfield | 98 | L'borogh PC | 49.08 |
| 4 | 73 | Lewis Burras | 00 | Lboro Uni | 47.99 |
| 5 | 70 | Thomas Dean | 00 | Bath PC | 48.32 |
| 6 | 64 | James Guy | 95 | Millfield | 49.24 |
| 7 | 58 | Evan Jones | 04 | UniOfStirl | 49.52 |
| 8 | 52 | Bruno Kempster | 99 | Edinburgh Un | 50.41 |
| 9 | 46 | Kieran Bird | 99 | Bath PC | 50.73 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 50 | Kaleb Fox-Jones | 04 | Bath Univ | 50.51 |
| 1 | 56 | Calvin Fry | 04 | Lboro Uni | 49.80 |
| 2 | 62 | Thomas Carswell | 00 | Edinburgh Un | 49.25 |
| 3 | 68 | Jack McMillan | 00 | UniOfStirl | 48.97 |
| 4 | 74 | Matthew Richards | 02 | Millfield | 47.45 |
| 5 | 71 | Jacob Whittle | 04 | Bath PC | 48.03 |
| 6 | 65 | Jordan Cooley | 99 | Leeds Uni | 49.23 |
| 7 | 59 | David Cumberlidge | 96 | Edinburgh Un | 49.43 |
| 8 | 53 | Cameron Brooker | 02 | Bath PC | 50.35 |
| 9 | 47 | Joel Watterson | 99 | Io Man | 50.60 |