EVENT 305 Boys 100m Butterfly - Heats
Not Competing : 1,24
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 2 | Jacob Bowes | 13 | Co Sund'land | |
| 3 | 4 | Albert Mack | 9 | Middlesboro | 1:55.00 |
| 4 | 3 | Jinghan Zeng | 9 | Middlesboro | 2:00.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 6 | Henry Mack | 11 | Middlesboro | 1:47.48 |
| 2 | 8 | Jacob Neillis | 10 | Newcastle | 1:38.28 |
| 3 | 10 | Jake Andrews | 13 | Sedgefield | 1:31.26 |
| 4 | 9 | Joshua Mungall | 13 | Alnwick Dol | 1:34.79 |
| 5 | 7 | Michael O'Neill | 9 | Bo Stockton | 1:40.00 |
| 6 | 5 | Joshua Cole | 12 | Alnwick Dol | 1:49.59 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 12 | Maximus Potter | 12 | Middlesboro | 1:28.01 |
| 2 | 14 | Jacob Barnett | 11 | Co Sund'land | 1:25.16 |
| 3 | 16 | Alfie Donovan | 12 | AFSHartlepol | 1:23.01 |
| 4 | 15 | Yassin Khashaba | 11 | Newcastle | 1:23.48 |
| 5 | 13 | Joseph Grainge | 14 | Middlesboro | 1:26.91 |
| 6 | 11 | Charles Julian | 14 | Middlesboro | 1:28.77 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 20 | Michael Hewitt | 13 | AFSHartlepol | 1:18.74 |
| 2 | 27 | Mateusz Wilczynski | 13 | Sedgefield | 1:11.16 |
| 3 | 33 | Max Upton | 15 | Billingham | 1:04.45 |
| 4 | 30 | Jack Ridley | 12 | AFSHartlepol | 1:09.96 |
| 5 | 23 | Alexandru Lazar | 11 | Co Sund'land | 1:15.08 |
| 6 | 17 | William Gowler | 11 | AFSHartlepol | 1:23.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 21 | Oliver Smith | 10 | Middlesboro | 1:18.68 |
| 2 | 28 | James Cook | 14 | Billingham | 1:11.00 |
| 3 | 34 | Oliver Hall | 15 | Middlesboro | 1:01.00 |
| 4 | 31 | Ryan Trowsdale | 14 | Loftus Dol | 1:09.70 |
| 5 | 25 | Oliver Thew | 13 | Alnwick Dol | 1:14.24 |
| 6 | 18 | Jimmy McGuire | 10 | Co Sund'land | 1:22.18 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 22 | Harry Bell | 12 | Middlesboro | 1:17.65 |
| 2 | 29 | Euan Buchanan | 15 | Saltburn Mar | 1:10.99 |
| 3 | 35 | Ethan Brown | 16 | Middlesboro | 1:00.05 |
| 4 | 32 | Joseph Micklewright | 17 | Middlesboro | 1:05.95 |
| 5 | 26 | Dion Hatfield | 15 | Billingham | 1:13.34 |
| 6 | 19 | Benjamin Fish | 13 | Alnwick Dol | 1:20.69 |