EVENT 121 Boys 14/15 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Connor Allen | 15 | Northants | 58.36 |
| 2 | 3 | Jackson Jardine | 15 | Cumbria | 57.83 |
| 3 | 5 | Harrison Shaw | 15 | Bedfordshire | 57.11 |
| 4 | 7 | Lucas Hartley | 15 | SE Herts | 56.85 |
| 5 | 6 | Farrleigh Greaves | 14 | Wiltshire | 56.98 |
| 6 | 4 | Harvey Reed | 15 | Staffs | 57.24 |
| 7 | 2 | Lewis Andrews | 15 | Norfolk | 58.02 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Jake Garett | 15 | Gloucs | 56.77 |
| 1 | 11 | Oliver Greaves | 15 | Shropshire | 55.50 |
| 2 | 13 | Tom Youdale | 15 | Sussex | 55.35 |
| 3 | 15 | Matthew Deffains | 15 | Hampshire | 55.15 |
| 4 | 17 | Cameron Jamieson | 15 | Derbyshire | 54.21 |
| 5 | 16 | Ronnie Weall | 15 | Cheshire | 54.61 |
| 6 | 14 | Jamie Workman | 15 | Dorset | 55.25 |
| 7 | 12 | Thomas Parry | 15 | Warwicks | 55.43 |
| 8 | 10 | Joseph Parnell | 15 | Lincolnshire | 56.64 |
| 9 | 8 | Elliot Stoddard | 15 | Cornwall | 56.85 |