EVENT 203 Mens Open 50m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Ned Sharp | 13 | Skipton | 27.01 |
| 4 | 3 | Ellis Stanhope | 14 | Sevenoaks | 26.90 |
| 5 | 2 | William Barber | 14 | Co Lincoln P | 26.94 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Filip Fraczek-Krygier | 14 | Soton Dolp | 26.87 |
| 2 | 7 | Auryn White | 14 | Ealing | 26.85 |
| 3 | 9 | Benjamin Fannon | 14 | Plymouth Lea | 26.82 |
| 4 | 11 | Ayotobi Laguda | 14 | Hatfield | 26.65 |
| 5 | 10 | Alex Thompson | 14 | Co Liverpool | 26.81 |
| 6 | 8 | Manfred Battle | 14 | Stowmarket | 26.84 |
| 7 | 6 | Sam Perkins | 14 | teamipswich | 26.86 |
| 8 | 4 | Cameron Lewis | 14 | Gloucester | 26.88 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 13 | Jack Plummer | 14 | Mt Kelly | 26.61 |
| 1 | 15 | Oscar Short | 15 | Utd Bristol | 26.33 |
| 2 | 17 | Henry Barella | 15 | Godalming | 26.31 |
| 3 | 19 | Bradley Gordon | 15 | Wolv'hampton | 26.20 |
| 4 | 21 | Joshua Smith | 15 | DunmowAtlant | 26.17 |
| 5 | 20 | Nathan McCleave | 15 | Dorking | 26.18 |
| 6 | 18 | Daniel Morley | 15 | Durham City | 26.24 |
| 7 | 16 | Thomas Clare | 15 | teamipswich | 26.32 |
| 8 | 14 | Dara Clarke | 14 | Co Lincoln P | 26.52 |
| 9 | 12 | Max Johnson | 14 | Teddington | 26.63 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 23 | Luke Douglas | 15 | Saxon Crown | 26.08 |
| 1 | 25 | Harry Noble | 15 | Devonport | 26.05 |
| 2 | 27 | Alec White | 15 | Exeter City | 25.96 |
| 3 | 29 | Matthew Ferguson | 15 | Woking | 25.87 |
| 4 | 31 | James Blount | 16 | Potters Bar | 25.63 |
| 5 | 30 | Charlie Poole | 15 | Co Leicester | 25.86 |
| 6 | 28 | Piers Bowden | 15 | Guildford Ct | 25.95 |
| 7 | 26 | Matthew Burton | 15 | Ealing | 26.03 |
| 8 | 24 | Lewis Collins | 15 | KingstonHull | 26.08 |
| 9 | 22 | Charles Hodges | 15 | Mt Kelly | 26.15 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 33 | Jack Spain | 16 | teamipswich | 25.59 |
| 1 | 35 | Joshua Rowland | 16 | Bicester | 25.56 |
| 2 | 37 | Thomas Manning | 16 | Blackpool Aq | 25.42 |
| 3 | 39 | Harrison Fern | 16 | Derventio | 25.39 |
| 4 | 41 | Daniel Savage | 16 | Northampton | 25.35 |
| 5 | 40 | Samuel Pereira | 16 | Enfield Sq | 25.39 |
| 6 | 38 | William Swain | 16 | South Lincs | 25.42 |
| 7 | 36 | Alex Westwood | 16 | Stourbridge | 25.42 |
| 8 | 34 | David Shipman | 16 | Potters Bar | 25.57 |
| 9 | 32 | Ewan Springett | 16 | Co Oxford | 25.62 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 45 | Benjamin Campbell | 17 | Boldmere | 25.26 |
| 1 | 51 | Dominic Scifo | 17 | teamipswich | 25.15 |
| 2 | 57 | Harry Maishman | 17 | Maxwell | 24.47 |
| 3 | 63 | James Brinkley | 23 | Bromley | 23.97 |
| 4 | 69 | James Dawe | 22 | Co Bristol | 23.67 |
| 5 | 66 | Declan Dahill-Rowan | 20 | Plymouth Lea | 23.82 |
| 6 | 60 | Luke Edwards | 20 | Woking | 24.03 |
| 7 | 54 | David Bloomfield | 17 | Brompton | 24.89 |
| 8 | 48 | Ignacio Larghero | 17 | Newmarket | 25.21 |
| 9 | 42 | Matthew Pomford | 16 | Co Liverpool | 25.33 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 46 | Oliver Palmer | 17 | Exeter City | 25.25 |
| 1 | 52 | Sebastian Williams | 17 | Havant & Wat | 24.97 |
| 2 | 58 | Cameron Brooks-Clarke | 17 | Co Sheffield | 24.44 |
| 3 | 64 | Alasdair Wright | 19 | Loughboro Un | 23.95 |
| 4 | 70 | Henry Bland | 22 | Newcastle | 23.62 |
| 5 | 67 | Alexander Bowen | 21 | Loughboro Un | 23.74 |
| 6 | 61 | Kieran Peart | 19 | Gates &Whick | 24.02 |
| 7 | 55 | Mark Laing | 17 | Halesowen | 24.87 |
| 8 | 49 | Ryan Gordon | 17 | Co Leicester | 25.21 |
| 9 | 43 | Oskar Jones | 16 | Teddington | 25.33 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 47 | Finn Slattery | 17 | Beckenham | 25.24 |
| 1 | 53 | Daniel Austin | 17 | Co Salford | 24.93 |
| 2 | 59 | Louis Phillips | 20 | Plymouth Lea | 24.14 |
| 3 | 65 | Rory Butcher | 21 | Bo Newham | 23.89 |
| 4 | 71 | Alexander Smith | 26 | Woking | 23.60 |
| 5 | 68 | L Clifford-Stephenson | 23 | Killerwhales | 23.70 |
| 6 | 62 | Kyle Chisholm | 19 | Bo Kirklees | 24.02 |
| 7 | 56 | Rory Huggins | 17 | Havant & Wat | 24.58 |
| 8 | 50 | Callum Hall | 17 | RichmondDale | 25.17 |
| 9 | 44 | Kieran Bird | 17 | Bicester | 25.27 |