EVENT 605 Mens Open 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 2 | 2 | Edward Mildred | 03 | Northampton | 28.54 |
| 3 | 4 | Joseph Thompson | 02 | Plymouth Lea | 28.45 |
| 4 | 6 | William Gearey | 03 | Worcester | 28.38 |
| 5 | 5 | Lenel Ah Wan | 02 | Plymouth Lea | 28.41 |
| 6 | 3 | Luca Fankhauser | 02 | Guildford Ct | 28.51 |
| 7 | 1 | Douglas Kelly | 03 | Milngavie &B | 28.55 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 8 | Rhys Edwards | 02 | Swansea Aq | 28.29 |
| 1 | 10 | Manfred Battle | 02 | Stowmarket | 28.28 |
| 2 | 12 | James Cooper | 02 | Basildon Ph | 28.25 |
| 3 | 14 | Matthew Richards | 02 | Worcester | 28.20 |
| 4 | 16 | Charlie Hutchison | 02 | Ellesmere Co | 28.15 |
| 5 | 15 | Elliott Day | 02 | teamipswich | 28.16 |
| 6 | 13 | Fraser Wilson | 02 | Midlothian | 28.22 |
| 7 | 11 | Benjamin Chooyin | 02 | Co Cardiff | 28.28 |
| 8 | 9 | Reese Housden | 02 | Hatfield | 28.28 |
| 9 | 7 | Kameron Clarke | 02 | Co Newport | 28.30 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 18 | Max Weeks | 02 | Seagulls SC | 27.80 |
| 1 | 20 | Luke Douglas | 01 | Saxon Crown | 27.79 |
| 2 | 22 | Samuel Beverley | 01 | StPauls Sch | 27.73 |
| 3 | 24 | Youssef Nkrumah | 01 | Bo Of Harrow | 27.67 |
| 4 | 26 | Carl Barrett | 01 | West Dunbart | 27.64 |
| 5 | 25 | Huw Williams | 02 | Millfield | 27.66 |
| 6 | 23 | Jonathan Milner | 01 | Co Leeds | 27.73 |
| 7 | 21 | George Ragg-Griffith | 01 | Portsmouth N | 27.74 |
| 8 | 19 | James Cuthbert | 01 | Halesowen | 27.79 |
| 9 | 17 | Jake Moxham | 02 | Co Cambridge | 28.06 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 28 | Kyle Booth | 01 | Co Cardiff | 27.61 |
| 1 | 30 | Jack Bowyer | 02 | West Suffolk | 27.52 |
| 2 | 32 | Daniel Ferguson | 01 | West Lothian | 27.46 |
| 3 | 34 | Anton Akopian | 01 | Ealing | 27.43 |
| 4 | 36 | Billy Dewhurst | 01 | Preston | 27.41 |
| 5 | 35 | Samuel Osborne | 01 | Co Birm'ham | 27.41 |
| 6 | 33 | Daniel Morley | 01 | Durham City | 27.44 |
| 7 | 31 | Joel Thompson | 01 | Shiverers | 27.49 |
| 8 | 29 | Archie Plowman | 01 | Northampton | 27.56 |
| 9 | 27 | Keir Edgar | 01 | F.I.R.S.T. | 27.63 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 38 | Tobey Ryland | 02 | Co Liverpool | 27.23 |
| 1 | 40 | William Graham | 01 | Melton M'bry | 27.19 |
| 2 | 42 | Matthew Titman | 01 | Co Cambridge | 27.14 |
| 3 | 44 | Nathan Hughes | 00 | Hatfield | 27.12 |
| 4 | 46 | Euan Cowan | 00 | Co Leeds | 27.10 |
| 5 | 45 | Finlay Smith | 00 | Clevedon | 27.12 |
| 6 | 43 | Will Morris | 02 | Tynemouth | 27.13 |
| 7 | 41 | Morgan Jones | 00 | Oswestry Ott | 27.14 |
| 8 | 39 | Charles Rayner | 01 | Hatfield | 27.21 |
| 9 | 37 | Charlie Poole | 01 | Co Leicester | 27.35 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 48 | Erico Cuna | 00 | Plymouth Lea | 27.05 |
| 1 | 50 | Adam Metcalf | 01 | Ellesmere Co | 26.94 |
| 2 | 52 | Matthew Pomford | 00 | Co Liverpool | 26.83 |
| 3 | 54 | Thomas Carswell | 00 | Tadcaster | 26.77 |
| 4 | 56 | David Shipman | 00 | Potters Bar | 26.76 |
| 5 | 55 | Mark Hill | 00 | Cumbernauld | 26.77 |
| 6 | 53 | Luke Kearslake | 00 | Stockport Mo | 26.78 |
| 7 | 51 | Taylor Davidson | 00 | Stonehaven | 26.84 |
| 8 | 49 | Joseph Page | 00 | Havant & Wat | 26.99 |
| 9 | 47 | Jacob Gibbons | 00 | Mt Kelly | 27.05 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 58 | Ben Hooper | 00 | Bo Of Harrow | 26.71 |
| 1 | 60 | Joshua Munroe | 00 | Co Leicester | 26.71 |
| 2 | 62 | Santos Villalon | 01 | Millfield | 26.41 |
| 3 | 64 | Lewis Burras | 00 | Southport | 26.27 |
| 4 | 66 | Oliver Perry | 99 | Hatfield | 26.20 |
| 5 | 65 | Harry Maishman | 99 | Maxwell | 26.21 |
| 6 | 63 | Benjamin Garratt | 00 | Hatfield | 26.36 |
| 7 | 61 | Alisdair Stout | 00 | SwimTrafford | 26.55 |
| 8 | 59 | Thomas Balfour | 00 | Bellshill | 26.71 |
| 9 | 57 | Alexander Mason | 01 | Chester Le S | 26.73 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 68 | Christopher Aoun | 98 | Brompton | 26.19 |
| 1 | 70 | James McFadzen | 99 | Wycombe Dist | 26.12 |
| 2 | 72 | Rory Huggins | 99 | Havant & Wat | 26.10 |
| 3 | 74 | Jacob Lea | 98 | Southport | 26.02 |
| 4 | 76 | Alex Wray | 98 | Deepings | 25.96 |
| 5 | 75 | Jamie Ingram | 98 | Derventio | 25.98 |
| 6 | 73 | Thomas Beeley | 99 | Aberdeen | 26.06 |
| 7 | 71 | William Seaman | 98 | Severnside | 26.11 |
| 8 | 69 | Iestyn William Cole | 99 | Plymouth Lea | 26.15 |
| 9 | 67 | Cameron Swart | 98 | TigersJersey | 26.20 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 80 | Grant Henderson | 98 | Co Glasgow | 25.76 |
| 1 | 86 | Kyle Chisholm | 97 | Bo Kirklees | 25.65 |
| 2 | 92 | Daniel Stepton | 91 | Bark & Dagen | 25.42 |
| 3 | 98 | Peter Webster | 98 | Hatfield | 25.05 |
| 4 | 104 | Adam Taylor | 96 | Co Sund'land | 24.65 |
| 5 | 101 | Thomas Sinclair | 98 | Aquae Sulis | 24.82 |
| 6 | 95 | Greg Watson | 95 | Edinburgh Un | 25.17 |
| 7 | 89 | Oliver Lines | 98 | Co Milton K | 25.61 |
| 8 | 83 | Robert Bryce | 94 | Co Aberdeen | 25.68 |
| 9 | 77 | Cameron Brooks-Clarke | 99 | Co Sheffield | 25.94 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 81 | Daniel Savage | 00 | Northampton | 25.72 |
| 1 | 87 | Scott McLay | 99 | Perth City | 25.63 |
| 2 | 93 | Masai Zebe-Chaka | 79 | Plymouth Lea | 25.39 |
| 3 | 99 | Calum Bain | 96 | UniOfStirl | 25.04 |
| 4 | 105 | Kregor Zirk | 99 | Plymouth Lea | 24.44 |
| 5 | 102 | Sam Horrocks | 94 | Co Manch Aq | 24.77 |
| 6 | 96 | Oliver Maltby | 97 | Bath Univ | 25.17 |
| 7 | 90 | Henry Rennolls | 00 | White Oak | 25.50 |
| 8 | 84 | Jacob Jackson | 98 | Ellesmere Co | 25.67 |
| 9 | 78 | James Eddy | 00 | Wycombe Dist | 25.86 |
| Heat Number - 11 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 82 | William Condron | 95 | Portsmouth N | 25.69 |
| 1 | 88 | Leon Berchie | 97 | Hillingdon | 25.63 |
| 2 | 94 | Thomas Fannon | 98 | Plymouth Lea | 25.20 |
| 3 | 100 | Alasdair Wright | 97 | Loughboro Un | 24.99 |
| 4 | 106 | Sean Campsie | 94 | StirlingSwim | 24.20 |
| 5 | 103 | Henry Bland | 94 | Newcastle | 24.75 |
| 6 | 97 | Jacob Peters | 00 | Poole | 25.10 |
| 7 | 91 | Max McCusker | 99 | Millfield | 25.43 |
| 8 | 85 | Zak Dawson | 96 | Derwentside | 25.67 |
| 9 | 79 | Sam Dailley | 01 | Plymouth Lea | 25.78 |