Event 802 Mens 100 Metre Butterfly
| Pos | Name | Age | Club | Time | Splits |
| 1 | Edward Mildred J | 03 | Northampton | 56.36 | 27.05 | 56.36 |
| 2 | Jordan Gaskell | 99 | Winsford | 56.56 | 26.83 | 56.56 |
| 3 | Harry Lewis-Mitchell | 98 | Stockport Mo | 56.87 | 26.83 | 56.87 |
| 4 | Rory Huggins | 99 | Guildford Ct | 56.90 | 26.70 | 56.90 |
| 5 | Sam Goldrick | 98 | Co Manch Aq | 56.95 | 26.43 | 56.95 |
| 6 | Jack To J | 00 | Co Sheffield | 57.09 | 26.99 | 57.09 |
| 7 | James Woodward J | 00 | Hatfield | 57.17 | 27.03 | 57.17 |
| 8 | Alec White J | 01 | Exeter City | 57.35 | 26.17 | 57.35 |
| | | | | | |
| 9 | Matthew Holland | 98 | Wolv'hampton | 57.36 | 26.40 | 57.36 |
| 10 | Christian Tai J | 01 | Bourmth Coll | 57.37 | 27.04 | 57.37 |
| | | | | | |
| 11 | Thomas Carswell J | 00 | Tadcaster | 57.42 | 26.42 | 57.42 |
| 12 | Reid Jones J | 02 | Plymouth Lea | 57.58 | 26.56 | 57.58 |
| 13 | Charlie Poole J | 01 | Co Leicester | 57.63 | 27.23 | 57.63 |
| 14 | James Black | 96 | Co Glasgow | 57.71 | 26.80 | 57.71 |
| 15 | Ross Leslie | 98 | Edinburgh Un | 57.73 | 27.20 | 57.73 |
| 16 | Craig Greenock J | 01 | Cumbernauld | 57.86 | 27.13 | 57.86 |
| 17 | Thomas Brew J | 00 | Mt Kelly | 57.87 | 27.04 | 57.87 |
| 17 | Joel Weston J | 00 | Co Leicester | 57.87 | 27.58 | 57.87 |
| 19 | Rhys Edwards J | 02 | Swansea Aq | 57.94 | 27.05 | 57.94 |
| 20 | Jonah Walsh J | 00 | Warrender Ba | 57.98 | 27.25 | 57.98 |
| 20 | Daniel Morley J | 01 | Derwentside | 57.98 | 27.00 | 57.98 |
| 22 | Calum Reid | 95 | Edinburgh Un | 58.01 | 27.40 | 58.01 |
| 23 | Jake Fabi | 99 | Penrith | 58.12 | 26.92 | 58.12 |
| 24 | Ben Rowett J | 01 | Guildford Ct | 58.13 | 27.50 | 58.13 |
| 25 | Will Morris | 02 | Tynemouth | 58.18 | 27.05 | 58.18 |
| 26 | Joseph Page J | 00 | Havant & Wat | 58.28 | 26.92 | 58.28 |
| 27 | Kye Adams J | 00 | Co Bristol | 58.31 | 26.75 | 58.31 |
| 28 | Marc Elrick | 99 | Co Glasgow | 58.32 | 27.23 | 58.32 |
| 29 | Jylano Nahr J | 01 | Netherlands | 58.42 | 27.07 | 58.42 |
| 30 | Charlie Brown J | 01 | Co Sheffield | 58.49 | 27.05 | 58.49 |
| 30 | Thomas Balfour J | 00 | Bellshill | 58.49 | 27.38 | 58.49 |
| 32 | Alexander Armstrong J | 01 | Guildford Ct | 58.51 | 27.43 | 58.51 |
| 33 | Kane Murcott J | 00 | Royal Wolv | 58.58 | 27.68 | 58.58 |
| 34 | Iain McCallum | 97 | Edinburgh Un | 58.64 | 27.07 | 58.64 |
| 35 | Reuben Visda J | 03 | Co Sheffield | 58.74 | 27.55 | 58.74 |
| 36 | Robbie Jones J | 01 | TigersJersey | 58.77 | 27.50 | 58.77 |
| 37 | William Slawson | 97 | Wrekin Coll | 58.99 | 27.24 | 58.99 |
| 38 | Matthew Titman J | 01 | Co Cambridge | 59.17 | 27.49 | 59.17 |
| 39 | Alfie Evans J | 01 | Reading | 59.22 | 27.90 | 59.22 |
| 39 | William Ellington J | 03 | Millfield | 59.22 | 28.20 | 59.22 |
| 41 | Nathan Woodrow J | 03 | Co Norwich | 59.28 | 27.66 | 59.28 |
| 42 | Sean Gray | 00 | Plymouth Lea | 59.44 | 27.94 | 59.44 |
| 43 | Harry Whiteman J | 00 | Co Peterboro | 59.49 | 27.90 | 59.49 |
| 44 | Llewelyn Davies J | 01 | Swansea Aq | 59.53 | 27.89 | 59.53 |
| 45 | Harry Jones J | 00 | Hitchin | 59.55 | 27.42 | 59.55 |
| 46 | Jamie Macdonald J | 01 | Warrender Ba | 59.59 | 29.06 | 59.59 |
| 47 | Thomas Clare J | 01 | Teamipswich | 59.78 | 27.50 | 59.78 |
| 48 | Angus Nicol J | 01 | Co Glasgow | 59.88 | 28.22 | 59.88 |
| 49 | Jamie Booth J | 01 | Warrender Ba | 1:00.13 | 28.80 | 1:00.13 |
| 50 | Alfie Kelly J | 01 | Newcastle | 1:00.34 | 28.24 | 1:00.34 |
| 51 | Mark Ford J | 03 | Co Glasgow | 1:00.45 | 27.89 | 1:00.45 |
| 52 | Stefan Iosip J | 00 | Bernhord | 1:00.48 | 27.65 | 1:00.48 |
| 53 | Taylor Bowen | 01 | Unattached | 1:01.03 | 28.47 | 1:01.03 |