EVENT 102 Open/Male 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Matthew Margrett | 11 | Northall'ton | |
| 2 | 4 | Toby Bailey | 9 | Northall'ton | 1:34.09 |
| 3 | 3 | Roman Pilkington | 11 | Thirsk WH | |
| 4 | 1 | Edward Jiang | 11 | Thirsk WH | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Finlay Halliday | 8 | Northall'ton | 1:12.86 |
| 2 | 8 | Nathan Lofthouse | 10 | Northall'ton | 1:08.52 |
| 3 | 7 | Hordiy Shchogolev | 11 | Loftus Dol | 1:10.00 |
| 4 | 5 | Oscar Brook | 9 | Loftus Dol | 1:13.94 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Will Mackay | 13 | Thirsk WH | 1:08.09 |
| 2 | 12 | Henry Robb | 12 | Northall'ton | 1:02.26 |
| 3 | 11 | James Bentley | 10 | Thirsk WH | 1:06.09 |
| 4 | 9 | Henry Jinks | 12 | Northall'ton | 1:08.41 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Ethan Granger | 10 | Thirsk WH | 1:01.23 |
| 2 | 16 | Ethan Pearce | 13 | Northall'ton | 55.30 |
| 3 | 15 | Arthur Lawson | 10 | Thirsk WH | 59.00 |
| 4 | 13 | William Harland | 10 | Loftus Dol | 1:01.79 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Thomas Lewis | 13 | Thirsk WH | 52.10 |
| 2 | 20 | Sebastian Dunning | 13 | Thirsk WH | 48.00 |
| 3 | 19 | Zachary Hayward | 14 | Northall'ton | 51.33 |
| 4 | 17 | Brett Summers | 11 | Thirsk WH | 52.37 |