EVENT 104 Boys 15 Yrs/Over 100m Butterfly - Heats
Not Competing : 39,40
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 2 | Joseph Niven | 16 | Southport | 1:03.41 |
| 3 | 4 | Thomas Dugdale | 15 | Carnforth | 1:02.69 |
| 4 | 6 | Cameron Frame | 19 | Co Manch Aq | 1:03.82 |
| 5 | 5 | Alexander Law | 21 | Winsford | 1:03.74 |
| 6 | 3 | James Morrison | 18 | Bolton Metro | 1:01.95 |
| 7 | 1 | Ewan Wilson | 15 | Co Salford | 1:01.24 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 8 | Ryan Wheeler | 15 | Winsford | 1:03.31 |
| 2 | 10 | Connor Harwood | 17 | Wirral Metro | 1:01.63 |
| 3 | 12 | Harrison Brown | 16 | Stockport Mo | 1:00.97 |
| 4 | 14 | Sean Quinn | 19 | Co Liverpool | 1:00.00 |
| 5 | 13 | Thomas Broadfoot | 19 | Co Manch Aq | 58.80 |
| 6 | 11 | Harley Beentjes | 17 | Wigan BEST | 1:00.97 |
| 7 | 9 | Kieran Hennessy | 18 | Co Liverpool | 1:02.23 |
| 8 | 7 | Daniel Austin | 18 | Co Salford | 59.41 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 18 | Aaron Fox | 16 | Bebington | 1:02.89 |
| 2 | 24 | Michael Goodby | 17 | Crewe Flyers | 1:01.61 |
| 3 | 30 | Alex Watkinson | 16 | Warrington W | 1:00.00 |
| 4 | 36 | Jordan Gaskell | 18 | Winsford | 58.24 |
| 5 | 33 | Jake Fabi | 18 | Carlisle Aq | 58.71 |
| 6 | 27 | Harry Pilkington | 17 | Burnley BOBC | 1:00.14 |
| 7 | 21 | Adam Poole | 19 | Warrington W | 1:02.10 |
| 8 | 15 | Adam Blackshaw | 17 | Winsford | 1:01.03 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 19 | Tom Robinson | 17 | Ulverston | 1:00.58 |
| 2 | 25 | Hayden Griffiths | 20 | Co Manch Aq | 58.94 |
| 3 | 31 | Ewan McKavett | 17 | Pioneer 79 | 58.91 |
| 4 | 37 | Robert Hamer | 19 | Preston | DN:C . |
| 5 | 34 | Samuel Goldrick | 19 | Co Manch Aq | 57.81 |
| 6 | 28 | Neil Wylie | 17 | Prescot | 1:00.07 |
| 7 | 22 | William Camden | 16 | Co Salford | 1:01.36 |
| 8 | 16 | Matthew Pomford | 17 | Co Liverpool | 1:01.34 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 20 | Nathan Lowe | 17 | Co Salford | 1:01.50 |
| 2 | 26 | Connor Joyce | 17 | Cockermouth | 1:00.85 |
| 3 | 32 | Joshua Lambert | 18 | Burnley BOBC | 58.93 |
| 4 | 38 | Alisdair Stout | 17 | Co Manch Aq | 57.66 |
| 5 | 35 | Matthew George | 17 | Co Salford | 57.98 |
| 6 | 29 | Brody Hewison | 19 | Io Man | 57.91 |
| 7 | 23 | Jacob Lea | 19 | Southport | 58.70 |
| 8 | 17 | Marcus Dey | 16 | Co Salford | 1:06.42 |