EVENT 504 Mens Open 50m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 2 | 2 | Ryan Gordon | 99 | Co Derby | 24.65 |
| 3 | 4 | Kyo Tanner | 02 | Ellesmere Co | 24.64 |
| 4 | 6 | Mark Laing | 99 | Halesowen | 24.62 |
| 5 | 5 | Benjamin Horner | 99 | Hastings | 24.63 |
| 6 | 3 | Luke Turley | 00 | Hatfield | 24.65 |
| 7 | 1 | Ignacio Larghero | 99 | Newmarket | 24.67 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 8 | Thomas Flower | 99 | RichmondDale | 24.59 |
| 2 | 10 | Murray Coueslant | 99 | Aberdeen Per | 24.57 |
| 3 | 12 | Jake Clappison | 00 | Stockport Mo | 24.54 |
| 4 | 14 | Aiden Sparling | 99 | Atlantis | 24.49 |
| 5 | 13 | Daniel Morley | 01 | Derwentside | 24.50 |
| 6 | 11 | Connor Joyce | 00 | Cockermouth | 24.56 |
| 7 | 9 | Sam Phippen | 00 | Wycombe Dist | 24.58 |
| 8 | 7 | Jacob Peters | 00 | Poole | 24.59 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 16 | Ewan Smith | 00 | Woking | 24.46 |
| 2 | 18 | Samuel Chell | 00 | Billingham | 24.41 |
| 3 | 20 | Michael Witham | 99 | Maxwell | 24.40 |
| 4 | 22 | Deio Hughes | 99 | Conwy | 24.36 |
| 5 | 21 | Daniel Austin | 99 | Co Salford | 24.39 |
| 6 | 19 | Sam Dailley | 01 | Plymouth Lea | 24.40 |
| 7 | 17 | Joel Watterson | 99 | Io Man | 24.43 |
| 8 | 15 | Harry Maishman | 99 | Maxwell | 24.47 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 24 | Adam Metcalf | 01 | Ellesmere Co | 24.34 |
| 2 | 26 | Thomas Carswell | 00 | Tadcaster | 24.31 |
| 3 | 28 | Myles Stirk | 00 | Co Leeds | 24.24 |
| 4 | 30 | Max McCusker | 99 | Millfield | 24.19 |
| 5 | 29 | Harry Turner | 99 | Mt Kelly | 24.21 |
| 6 | 27 | Jordan Cooley | 99 | Cockermouth | 24.26 |
| 7 | 25 | Hamish Skillman | 00 | Millfield | 24.32 |
| 8 | 23 | Lewis Kerrod | 00 | Co Leicester | 24.36 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 32 | Harry Constantine | 00 | Hatfield | 24.13 |
| 2 | 34 | Thomas Beeley | 99 | Aberdeen Per | 24.11 |
| 3 | 36 | Cameron Brooks-Clarke | 99 | Co Sheffield | 23.94 |
| 4 | 38 | James Eddy | 00 | Wycombe Dist | 23.86 |
| 5 | 37 | Louis Barker | 99 | Millfield | 23.91 |
| 6 | 35 | Rory Huggins | 99 | Havant & Wat | 24.04 |
| 7 | 33 | Benjamin Martin | 00 | Pioneer 79 | 24.12 |
| 8 | 31 | Ben Stanford | 99 | Co Birm'ham | 24.17 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 42 | James Oxborrow | 98 | Loughboro Un | 23.56 |
| 2 | 48 | Scott McLay | 99 | Perth City | 23.34 |
| 3 | 54 | Kieran McGuckin | 90 | Edinburgh Un | 23.02 |
| 4 | 60 | David Cumberlidge | 96 | Edinburgh Un | 22.43 |
| 5 | 57 | Alexander Bowen | 95 | Loughboro Un | 22.91 |
| 6 | 51 | Samuel Irvine | 97 | Loughboro Un | 23.10 |
| 7 | 45 | Elliot Clogg | 99 | Co Sheffield | 23.45 |
| 8 | 39 | Lewis Fraser | 00 | Swansea Aq | 23.78 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 43 | Alexander Smith | 90 | Woking | 23.55 |
| 2 | 49 | Andrew Weatheritt | 91 | St Ives | 23.23 |
| 3 | 55 | L Clifford-Stephenson | 93 | Chelsea&West | 23.01 |
| 4 | 61 | Thomas Fannon | 98 | Plymouth Lea | 22.30 |
| 5 | 58 | Daniel Speers | 97 | Millfield | 22.67 |
| 6 | 52 | Miles Munro | 96 | Bath Univ | 23.09 |
| 7 | 46 | James Brinkley | 93 | Bromley | 23.41 |
| 8 | 40 | Andrew Roy | 98 | Bath Univ | 23.59 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 44 | Brian O'Sullivan | 95 | Loughboro Un | 23.54 |
| 2 | 50 | Alex Wray | 98 | Loughboro Un | 23.14 |
| 3 | 56 | Jack Thorpe | 94 | Edinburgh Un | 22.95 |
| 4 | 62 | Benjamin Proud | 94 | Plymouth Lea | 21.54 |
| 5 | 59 | Yusuke Legard | 96 | Wycombe Dist | 22.61 |
| 6 | 53 | Calum Bain | 96 | UniOfStirl | 23.09 |
| 7 | 47 | Lewis Burras | 00 | Southport | 23.39 |
| 8 | 41 | Greg Watson | 95 | Edinburgh Un | 23.58 |