| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | LOGAN ROSS | 11 | Thirsk WH | |
| 3 | 3 | ALFIE HESP | 9 | Thirsk WH | 53.77 |
| 4 | 2 | BERTIE LAWSON | 9 | Thirsk WH | |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | LOUIS HALL | 12 | Stokesley | 51.50 |
| 2 | 6 | JAKE DOWSON | 14 | Thirsk WH | 41.36 |
| 3 | 8 | JACOB WHARTON | 19 | Northall'ton | 31.30 |
| 4 | 7 | NATHAN LOFTHOUSE | 12 | Northall'ton | 38.74 |
| 5 | 5 | NATHAN BASS | 13 | Northall'ton | 42.00 |