EVENT 304 Men Open 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 2 | Euan Macleod | 16 | Shiverers | 27.00 |
| 1 | 4 | Adriano Saettone Prado | 16 | Millfield | 27.00 |
| 2 | 6 | James Robinson | 16 | Co Leeds | 27.00 |
| 3 | 8 | Tom Arkwright | 16 | Leyland Barr | 26.99 |
| 4 | 10 | Daniel Stevens | 16 | Bev Barracud | 26.99 |
| 5 | 9 | Max Looker | 15 | Poole | 26.99 |
| 6 | 7 | Christopher Williamson | 16 | Co Cambridge | 27.00 |
| 7 | 5 | Charlie Collins | 15 | Wigan BEST | 27.00 |
| 8 | 3 | Samuel Smith | 14 | Skipton | 27.00 |
| 9 | 1 | Georgi Raykin | 16 | Bo Newham | 27.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 12 | Leo Ferguson | 15 | Millfield | 26.97 |
| 1 | 14 | Berk Emre Paker | 16 | Plymouth Lea | 26.94 |
| 2 | 16 | Anthony Whittall | 16 | HA Dubai | 26.94 |
| 3 | 18 | Matthew Haynes | 16 | Wigan BEST | 26.90 |
| 4 | 20 | Nevan Chou | 16 | Bromley | 26.87 |
| 5 | 19 | Alessandro D'Onofrio | 13 | Mt Kelly | 26.88 |
| 6 | 17 | Owen Whiteley | 15 | Co Manch Aq | 26.90 |
| 7 | 15 | Benjamin Haughton | 16 | Co Manch Aq | 26.94 |
| 8 | 13 | Harry Morgan-Hughes | 16 | Dartmoor DA | 26.94 |
| 9 | 11 | Logan Winter | 16 | Portsmouth N | 26.98 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 22 | James Sproston | 16 | Erith & Dist | 26.85 |
| 1 | 24 | Lewis Warner | 16 | Bassetlaw SS | 26.84 |
| 2 | 26 | Charlie Toms | 15 | Maxwell | 26.82 |
| 3 | 28 | Maxwell Adams | 16 | Team Bath AS | 26.81 |
| 4 | 30 | Tom Jobling | 15 | Durham City | 26.80 |
| 5 | 29 | Joseph Garfield | 16 | Bo Waltham F | 26.80 |
| 6 | 27 | Dexter Poole | 16 | Team Bath AS | 26.81 |
| 7 | 25 | Jack Allman | 15 | Co Oxford | 26.83 |
| 8 | 23 | Daniel Jackson | 15 | Bo Kirklees | 26.85 |
| 9 | 21 | Joshua Atotileto | 15 | Bo Newham | 26.86 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 32 | Alex Mason | 16 | Mt Kelly | 26.79 |
| 1 | 34 | Ben Newcombe | 16 | Gloucester | 26.74 |
| 2 | 36 | Alexandru Chiriac | 16 | Poole | 26.72 |
| 3 | 38 | Roman Parham | 16 | Brighton | 26.70 |
| 4 | 40 | Samuel Pyefinch | 16 | Maxwell | 26.65 |
| 5 | 39 | Kynan Tallec-Botos | 15 | Brompton | 26.69 |
| 6 | 37 | Ben Howell | 16 | Woking | 26.70 |
| 7 | 35 | Felix Brockdorff | 15 | Guildford Ct | 26.72 |
| 8 | 33 | Albert Branch | 16 | Sevenoaks | 26.78 |
| 9 | 31 | Jaedon Lynch | 16 | Sevenoaks | 26.79 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 42 | Arun Oelkers | 16 | Mt Kelly | 26.64 |
| 1 | 44 | Matthew Aldred | 16 | Watford SC | 26.62 |
| 2 | 46 | Jacob Sell | 16 | Co Bristol | 26.60 |
| 3 | 48 | Owain Edwards | 15 | Mt Kelly | 26.59 |
| 4 | 50 | Callum Broadhead | 14 | Donc Dartes | 26.46 |
| 5 | 49 | Ross Murray | 16 | Mid Sussex | 26.54 |
| 6 | 47 | Maddox Roberts | 15 | Witham Dolph | 26.60 |
| 7 | 45 | Oliver Saunders | 16 | Team Bath AS | 26.60 |
| 8 | 43 | Davey Unwin | 15 | Stockport Mo | 26.63 |
| 9 | 41 | Ryan Coles | 16 | Daventry | 26.65 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 52 | Thomas Maskell | 15 | Derwentside | 26.45 |
| 1 | 54 | Christian Duetoft | 16 | Leatherhead | 26.40 |
| 2 | 56 | Henry Gray | 15 | Chelsea&West | 26.35 |
| 3 | 58 | Lauchlan Parrott | 14 | Millfield | 26.27 |
| 4 | 60 | Sean Simmons | 16 | Bristol Hen | 26.20 |
| 5 | 59 | Mehmet Zeren | 15 | Brompton | 26.23 |
| 6 | 57 | Ethan Thompson | 16 | HA Dubai | 26.34 |
| 7 | 55 | Adam Kandil | 15 | HA Dubai | 26.40 |
| 8 | 53 | Joseph Kenny | 16 | St Felix Sch | 26.40 |
| 9 | 51 | Samuel Ellis | 16 | Plymouth Lea | 26.46 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 62 | Oliver Henry Shead | 16 | Plymouth Lea | 26.00 |
| 1 | 64 | Jack Ashurst | 17 | Tynemouth | 26.00 |
| 2 | 66 | Charlie Summer | 16 | Dereham | 25.98 |
| 3 | 68 | Jon-Paul Davis | 18 | Dartmoor DA | 25.94 |
| 4 | 70 | Finley Allman | 16 | Co Sheffield | 25.90 |
| 5 | 69 | Benjamin Green | 17 | Watford SC | 25.93 |
| 6 | 67 | Toby Mayfield | 17 | York City | 25.96 |
| 7 | 65 | William Rudd | 18 | Chelsea&West | 26.00 |
| 8 | 63 | Damon Elliott | 17 | DunmowAtlant | 26.00 |
| 9 | 61 | William Ellard | 15 | St Felix Sch | 26.00 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 72 | Matus Mydliar | 16 | Co Milton K | 25.85 |
| 1 | 74 | Abduljabar Adama | 13 | Mt Kelly | 25.82 |
| 2 | 76 | Joshua Bailye | 16 | Repton Swim | 25.80 |
| 3 | 78 | Oliver Richardson | 17 | East Grins'd | 25.70 |
| 4 | 80 | Louis McAuliffe | 17 | Leamington | 25.70 |
| 5 | 79 | Matthew Baker | 15 | West Suffolk | 25.70 |
| 6 | 77 | Alexander Painter | 17 | Millfield | 25.71 |
| 7 | 75 | Sam Cornish | 17 | Enfield Sq | 25.80 |
| 8 | 73 | Samuel Tucker | 17 | Wycombe Dist | 25.83 |
| 9 | 71 | Callum Atkinson | 18 | Newcastle | 25.90 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 82 | David O'Loughlin | 17 | Millfield | 25.70 |
| 1 | 84 | Edwin Foudil | 24 | Warwick Uni | 25.65 |
| 2 | 86 | Joseph Bradshaw | 23 | AbingdonVale | 25.63 |
| 3 | 88 | Solomon Williams | 16 | Millfield | 25.61 |
| 4 | 90 | Callum Davis | 21 | Bishop Stort | 25.60 |
| 5 | 89 | Ashley Donaldson | 17 | Altrincham | 25.60 |
| 6 | 87 | Sonny Chamberlain-Hyde | 18 | Seagulls SC | 25.63 |
| 7 | 85 | Adam Lawton | 18 | Plymouth Lea | 25.65 |
| 8 | 83 | Tom Downs | 22 | Co Sheffield | 25.68 |
| 9 | 81 | Richard Farthing | 19 | Loughboro Un | 25.70 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 92 | Ben Rowett | 20 | SurreyUni SC | 25.60 |
| 1 | 94 | Benjamin Tritton | 21 | SurreyUni SC | 25.59 |
| 2 | 96 | Metin Mahmutoglu | 17 | Chelsea&West | 25.55 |
| 3 | 98 | Cameron Williams | 17 | Dartmoor DA | 25.54 |
| 4 | 100 | Ellis Cleworth | 17 | Co Liverpool | 25.50 |
| 5 | 99 | Jack Allan | 18 | Loughboro Un | 25.50 |
| 6 | 97 | Harry Nicholson | 17 | Newcastle | 25.55 |
| 7 | 95 | Benjamin Prosser | 21 | Loughboro Un | 25.56 |
| 8 | 93 | Dominic Morgan | 16 | Leatherhead | 25.60 |
| 9 | 91 | Thomas Page | 17 | West Suffolk | 25.60 |
| Heat Number - 11 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 102 | Malachi Cohen | 18 | StPauls Sch | 25.50 |
| 1 | 104 | Jake Thomas-Mansfield | 21 | Birm'ham Uni | 25.50 |
| 2 | 106 | William Graham | 20 | Tadcaster | 25.49 |
| 3 | 108 | Daniel Gencas | 18 | Bark & Dagen | 25.47 |
| 4 | 110 | Sam Crew | 19 | Swansea Aq | 25.40 |
| 5 | 109 | Jake Hutchinson | 15 | Ellesmere Co | 25.42 |
| 6 | 107 | Callum Rayment | 22 | Plymouth Lea | 25.47 |
| 7 | 105 | James Hart | 17 | Plymouth Lea | 25.50 |
| 8 | 103 | Dylan Reeve | 16 | Mt Kelly | 25.50 |
| 9 | 101 | Adam Wood | 19 | Co Sheffield | 25.50 |
| Heat Number - 12 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 112 | James Cleaver | 16 | Beckenham | 25.40 |
| 1 | 114 | Ellis Morgan | 18 | Wycombe Dist | 25.40 |
| 2 | 116 | Kieran Grant | 16 | Bev Barracud | 25.39 |
| 3 | 118 | Alex Cohoon | 19 | Loughboro Un | 25.30 |
| 4 | 120 | Aidan Carroll | 21 | Plymouth Lea | 25.30 |
| 5 | 119 | Sam Townsend | 17 | Mt Kelly | 25.30 |
| 6 | 117 | Mark Edmundson | 20 | Team Bath AS | 25.36 |
| 7 | 115 | Lucas Dyson-Diaz | 21 | Hatfield | 25.39 |
| 8 | 113 | Aryaan Din | 18 | Bath Univ | 25.40 |
| 9 | 111 | Charles Messenger | 25 | Wycombe Dist | 25.40 |
| Heat Number - 13 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 122 | Thomas English | 17 | Chester Le S | 25.30 |
| 1 | 124 | Robbie Hemmings | 17 | Poole | 25.18 |
| 2 | 126 | Thomas Bloor | 24 | Loughboro Un | 25.17 |
| 3 | 128 | Samuel Lawman | 26 | East Leeds | 25.12 |
| 4 | 130 | Alexander Morris | 22 | Swansea Uni | 25.10 |
| 5 | 129 | Sebastian Rawes | 17 | AbingdonVale | 25.11 |
| 6 | 127 | Carl Smith | 23 | Morley | 25.14 |
| 7 | 125 | Harry Robinson | 17 | Mt Kelly | 25.17 |
| 8 | 123 | Michael Ripper | 20 | Loughboro Un | 25.20 |
| 9 | 121 | Luca De Zilva | 18 | Leic Sharks | 25.30 |
| Heat Number - 14 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 134 | Patrick Heeks | 18 | Pershore | 25.05 |
| 1 | 140 | James Woodward | 21 | Hatfield | 24.90 |
| 2 | 146 | Adam Metcalf | 20 | Loughboro Un | 24.50 |
| 3 | 152 | Calvin Fry | 17 | Mt Kelly | 24.22 |
| 4 | 158 | Jamie Ingram | 23 | Co Manch Aq | 23.37 |
| 5 | 155 | Ryan Flanagan | 27 | East Leeds | 24.12 |
| 6 | 149 | Ned Sharp | 18 | Skipton | 24.40 |
| 7 | 143 | Luke Stacey | 23 | Shiverers | 24.80 |
| 8 | 137 | Tobi Sijuade | 19 | Bath Univ | 24.98 |
| 9 | 131 | Cameron Lewis | 19 | Gloucester | 25.10 |
| Heat Number - 15 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 135 | Matthew Holland | 23 | Wolv'hampton | 25.00 |
| 1 | 141 | Jacob Jackson | 23 | Co Birm'ham | 24.84 |
| 2 | 147 | Michael Klimaszewski | 17 | Hatfield | 24.49 |
| 3 | 153 | Cameron Brooks-Clarke | 22 | Co Sheffield | 24.20 |
| 4 | 159 | Matthew Richards | 19 | Bath NC | 23.27 |
| 5 | 156 | Christopher Finch | 24 | SurreyUni SC | 24.00 |
| 6 | 150 | Aaron Fox | 20 | Co Sheffield | 24.35 |
| 7 | 144 | Shakil Giordani | 19 | Co Manch Aq | 24.70 |
| 8 | 138 | Matthew Titman | 20 | Co Cambridge | 24.96 |
| 9 | 132 | Nicholas Finch | 15 | Chelsea&West | 25.08 |
| Heat Number - 16 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 136 | Harry Jones | 21 | Co Norwich | 25.00 |
| 1 | 142 | Jamie Ewart | 25 | AFSHartlepol | 24.80 |
| 2 | 148 | Thomas Beeley | 22 | Plymouth Lea | 24.45 |
| 3 | 154 | Joshua Gammon | 18 | Bath Univ | 24.14 |
| 4 | 160 | Jacob Peters | 21 | Bath NC | 22.80 |
| 5 | 157 | A Cameron-Calvo | 26 | Portsmouth N | 23.89 |
| 6 | 151 | Joel Watterson | 22 | Io Man | 24.29 |
| 7 | 145 | Daniel Morley | 20 | Derwentside | 24.60 |
| 8 | 139 | Joseph Massey | 27 | Alton & Dist | 24.95 |
| 9 | 133 | Joe Stott | 22 | East Leeds | 25.06 |