EVENT 504 Mens Open 50m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 3 | 1 | Jack Szaranek | 98 | Edinburgh Un | 24.29 |
| 4 | 3 | Benjamin Martin | 00 | Pioneer 79 | 24.26 |
| 5 | 2 | Jacob Lea | 98 | Southport | 24.26 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 2 | 5 | Cameron Brooks-Clarke | 99 | Co Sheffield | 24.21 |
| 3 | 7 | Charlie Pullan | 98 | Guildford Ct | 24.19 |
| 4 | 9 | Thomas Sinclair | 98 | Aquae Sulis | 24.12 |
| 5 | 8 | Theo Haslam | 98 | Bromley | 24.15 |
| 6 | 6 | Louis Barker | 99 | Millfield | 24.21 |
| 7 | 4 | William Cole | 99 | Co Bristol | 24.26 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 11 | Michael Jacobs | 99 | Sevenoaks | 24.01 |
| 2 | 13 | Grant Henderson | 98 | Co Glasgow | 23.88 |
| 3 | 15 | Elliot Clogg | 99 | Co Sheffield | 23.75 |
| 4 | 17 | Henry Bland | 94 | Newcastle | 23.62 |
| 5 | 16 | Rory Burdin | 98 | Staines | 23.73 |
| 6 | 14 | James Oxborrow | 98 | Bolton Metro | 23.80 |
| 7 | 12 | Andrew Roy | 98 | Woking | 23.99 |
| 8 | 10 | Benjamin Stanford | 99 | Co Birm'ham | 24.12 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 19 | Joshua Thompson | 98 | Carnforth | 23.61 |
| 2 | 21 | John Slater | 96 | Plymouth Lea | 23.59 |
| 3 | 23 | Grant Quigley | 93 | Stockport Mo | 23.53 |
| 4 | 25 | Greg Watson | 95 | Edinburgh Un | 23.51 |
| 5 | 24 | Alexander Farrell | 95 | Ealing | 23.52 |
| 6 | 22 | Alexander Bowen | 95 | Loughboro Un | 23.57 |
| 7 | 20 | Alex Wray | 98 | Deepings | 23.61 |
| 8 | 18 | Lewis Burras | 00 | Southport | 23.62 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 29 | Lewis Clough | 98 | Co Salford | 23.41 |
| 2 | 35 | Matthew Bruce | 94 | Co Coventry | 23.05 |
| 3 | 41 | David Cumberlidge | 96 | Edinburgh Un | 22.78 |
| 4 | 47 | Thomas Fannon | 98 | Plymouth Lea | 22.48 |
| 5 | 44 | Jack Thorpe | 94 | Edinburgh Un | 22.72 |
| 6 | 38 | Bradley Lynch | 96 | Co Derby | 22.97 |
| 7 | 32 | Owen Morgan | 84 | Woking | 23.25 |
| 8 | 26 | Ziggy Franchi-Webster | 97 | Ealing | 23.46 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 30 | Yusuke Legard | 96 | Wycombe Dist | 23.36 |
| 2 | 36 | James Disney-May | 92 | Loughboro Un | 23.04 |
| 3 | 42 | Miles Munro | 96 | Bath Univ | 22.76 |
| 4 | 48 | Andrew Weatheritt | 91 | Loughboro Un | 22.33 |
| 5 | 45 | Richard Schafers | 91 | Edinburgh Un | 22.63 |
| 6 | 39 | Kieran McGuckin | 90 | Edinburgh Un | 22.96 |
| 7 | 33 | Calum Bain | 96 | UniOfStirl | 23.24 |
| 8 | 27 | Eddie Watson | 96 | Aberdeen Dol | 23.45 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 31 | Samuel Irvine | 97 | Millfield | 23.34 |
| 2 | 37 | Liam Selby | 92 | Stockport Mo | 22.98 |
| 3 | 43 | James Peek | 95 | Millfield | 22.75 |
| 4 | 49 | Benjamin Proud | 94 | Plymouth Lea | 21.73 |
| 5 | 46 | Aaron Rickhuss | 93 | Plymouth Lea | 22.59 |
| 6 | 40 | Zachary Hayden | 87 | Wolverine | 22.89 |
| 7 | 34 | Oliver Wilson | 92 | Hackney | 23.22 |
| 8 | 28 | Daniel Stepton | 91 | Bark & Dagen | 23.44 |