EVENT 102 Open/Male 16/17 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | James Frost | 16 | Shropshire | 57.30 |
| 2 | 3 | Harrison Shaw | 16 | Bedfordshire | 55.48 |
| 3 | 5 | James Escolme | 17 | Cumbria | 54.98 |
| 4 | 7 | Thomas Bruce | 17 | Lincolnshire | 54.26 |
| 5 | 6 | Tyler Coles | 17 | Northants | 54.36 |
| 6 | 4 | Finlay Arnup | 16 | Norfolk | 55.05 |
| 7 | 2 | Reuben Buckton | 16 | Wiltshire | 56.54 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Matthew Walker | 17 | Staffs | 53.90 |
| 1 | 11 | Edgar Stepliuk | 17 | Ox & N Bucks | 53.48 |
| 2 | 13 | Jack Brown | 16 | Gloucs | 53.40 |
| 3 | 15 | Charlie Meek | 17 | Dorset | 51.69 |
| 4 | 17 | Jacob Mills | 16 | Leics | 50.51 |
| 5 | 16 | Tristyn James | 17 | SW Wales | 51.00 |
| 6 | 14 | Lucas Brown | 17 | Scot North | 52.67 |
| 7 | 12 | Logan Mulhall-Reid | 17 | Cheshire | 53.48 |
| 8 | 10 | Edward Ormsby | 16 | Cambs | 53.74 |
| 9 | 8 | Finley Wonnacott | 17 | Cornwall | 54.08 |