| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | ELLIOTT CHARLTON | 12 | Northall'ton | 52.66 |
| 3 | 3 | JOE HORNER | 13 | Eston | 33.42 |
| 4 | 2 | ARTHUR LAWSON | 12 | Thirsk WH | 42.79 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | MATTHEW MCCARTHY | 24 | Eston | 30.07 |
| 3 | 7 | P STEPHENSON-MANGAN | 18 | Eston | 25.60 |
| 4 | 6 | CHRISTIAN CORNELL | 16 | Stokesley | 29.00 |
| 5 | 4 | JACOB MONEY | 15 | Eston | 30.52 |