| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Seth Dewsnap | 7 | Retford | 42.00 |
| 3 | 3 | Bobby Brown | 8 | Retford | 41.00 |
| 4 | 2 | Reid Hutchins | 8 | Retford | 41.00 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Alfie Hesletine | 8 | Retford | 40.16 |
| 2 | 6 | Daisy-Grace Wildish | 7 | Retford | 26.00 |
| 3 | 8 | Isla-Rose Wildish | 8 | Retford | 19.78 |
| 4 | 7 | Summer Woodcock | 8 | Retford | 21.03 |
| 5 | 5 | Charlotte Middlebrook | 8 | Retford | 28.68 |