EVENT 305 Men Open 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 2 | Ewan Pedersen | 07 | Millfield | 52.66 |
| 1 | 4 | Carwyn Jones | 06 | Mt Kelly | 52.53 |
| 2 | 6 | Callum Cox | 06 | Bishop Stort | 52.35 |
| 3 | 8 | David Annis | 06 | Royal Wolv | 51.84 |
| 4 | 10 | William Ellard | 06 | St Felix Sch | 51.80 |
| 5 | 9 | Alexandru Lazar | 07 | Co Sund'land | 51.81 |
| 6 | 7 | Abduljabar Adama | 08 | Mt Kelly | 52.30 |
| 7 | 5 | Justin Christie | 06 | Leatherhead | 52.39 |
| 8 | 3 | Mehmet Zeren | 06 | Brompton | 52.59 |
| 9 | 1 | Charlie Meek | 06 | Poole | 52.68 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 12 | Oliver Watts | 05 | Team Bath AS | 51.65 |
| 1 | 14 | Rohan Smith | 04 | Skipton | 51.59 |
| 2 | 16 | Alexander Davis | 06 | East Grins'd | 51.50 |
| 3 | 18 | Jack Jenkinson | 06 | Skipton | 51.28 |
| 4 | 20 | Kaiden Welsby | 05 | Stockport Mo | 51.26 |
| 5 | 19 | Jacob Mills | 07 | Co Leicester | 51.26 |
| 6 | 17 | Harry Robinson | 04 | Crawley | 51.32 |
| 7 | 15 | Joshua Bailye | 05 | Repton | 51.51 |
| 8 | 13 | Nathan Holmes | 04 | Bath Univ | 51.59 |
| 9 | 11 | Maddox Roberts | 06 | Witham Dolph | 51.78 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 22 | Arun Oelkers | 05 | Mt Kelly | 51.19 |
| 1 | 24 | Robbie Hemmings | 04 | Poole | 51.16 |
| 2 | 26 | George Snow | 06 | Millfield | 51.13 |
| 3 | 28 | Adam Graham | 05 | Millfield | 51.01 |
| 4 | 30 | Freddie Ashley-Sparks | 02 | Plymouth Lea | 50.66 |
| 5 | 29 | Alexander Sargeant | 02 | Millfield | 50.68 |
| 6 | 27 | Jake Gaunt | 05 | Soundwell | 51.13 |
| 7 | 25 | Alex Mason | 05 | Mt Kelly | 51.14 |
| 8 | 23 | Henry Gray | 06 | Chelsea&West | 51.17 |
| 9 | 21 | Lauchlan Parrott | 07 | Millfield | 51.22 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 34 | Matthew Baker | 06 | West Suffolk | 50.57 |
| 1 | 40 | Deen Ahmed | 04 | Birm'ham Uni | 50.34 |
| 2 | 46 | Eugene Brooks-Clarke | 02 | Co Sheffield | 50.03 |
| 3 | 52 | Joshua Gammon | 03 | Bath Univ | 49.71 |
| 4 | 58 | Dan Jones | 96 | Swansea Uni | 48.35 |
| 5 | 55 | Alexander Painter | 04 | Millfield | 49.15 |
| 6 | 49 | Samuel Neeld | 00 | Birm'ham Uni | 49.89 |
| 7 | 43 | Tom Trueman | 04 | Nova Cent'n | 50.13 |
| 8 | 37 | Jack Skerry | 04 | New Hall | 50.43 |
| 9 | 31 | Sam Budd | 98 | Co Sheffield | 50.65 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 35 | Nicholas Finch | 06 | Chelsea&West | 50.52 |
| 1 | 41 | Miles Drabwell | 01 | Bath Univ | 50.19 |
| 2 | 47 | Ping Chi Lau | 02 | Co Birm'ham | 50.02 |
| 3 | 53 | Joel Watterson | 99 | Io Man | 49.48 |
| 4 | 59 | Jamie Ingram | 98 | Co Manch Aq | 47.95 |
| 5 | 56 | Charlie Brown | 01 | Loughborogh | 48.82 |
| 6 | 50 | Jacob Whibley | 05 | Repton | 49.74 |
| 7 | 44 | Liam Dawson | 05 | Derventio | 50.13 |
| 8 | 38 | Jason Mahmutoglu | 04 | Chelsea&West | 50.38 |
| 9 | 32 | Solomon Williams | 05 | Millfield | 50.63 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 36 | Jacques Bonsell | 99 | Co Cambridge | 50.43 |
| 1 | 42 | Jake Hutchinson | 06 | Co Leicester | 50.15 |
| 2 | 48 | Reid Jones | 02 | Bath Univ | 49.97 |
| 3 | 54 | R Rowbotham-Keating | 05 | Co Manch Aq | 49.23 |
| 4 | 60 | Matthew Richards | 02 | Millfield | 46.58 |
| 5 | 57 | Jordan Cooley | 99 | Leeds Uni | 48.50 |
| 6 | 51 | Adam Metcalf | 01 | Loughboro Un | 49.72 |
| 7 | 45 | Leo Fath | 99 | SFA Canada | 50.06 |
| 8 | 39 | Harry Robinson | 04 | Mt Kelly | 50.35 |
| 9 | 33 | Aiden Symons-Brown | 04 | Bath Univ | 50.60 |