EVENT 121 Boys 14/15 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | James Black | 15 | Scot East | 57.26 |
| 1 | 4 | David(Stewart) Richard | 14 | Cheshire | 56.50 |
| 2 | 6 | Marcus Barker | 15 | Somerset | 55.65 |
| 3 | 8 | Harry Basterfield | 14 | Ox & N Bucks | 55.22 |
| 4 | 10 | Cameron Moffat | 15 | Berks&SBucks | 55.00 |
| 5 | 9 | Calum Murray | 15 | Notts | 55.10 |
| 6 | 7 | Euan Murgatroyd | 15 | Scot West | 55.50 |
| 7 | 5 | Arron Law | 15 | Scot North | 55.72 |
| 8 | 3 | Edvin Krukouskij | 15 | Essex | 56.82 |
| 9 | 1 | Spencer Wilks | 14 | Dorset | 57.90 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | Julian Chan Quee Lin | 15 | Surrey | 54.62 |
| 1 | 14 | Ryan Reader | 14 | Derbyshire | 54.40 |
| 2 | 16 | Ben Levart | 15 | Middlesex | 54.05 |
| 3 | 18 | Frederick Biggs | 15 | Kent | 53.81 |
| 4 | 20 | Martyn Walton | 15 | Herts | 51.29 |
| 5 | 19 | William Murray | 15 | Lancashire | 53.30 |
| 6 | 17 | Kyle Chisholm | 14 | Yorkshire | 53.90 |
| 7 | 15 | Alisdair Wright | 15 | N & Durham | 54.27 |
| 8 | 13 | Benjamin Colclough | 15 | Staffs | 54.58 |
| 9 | 11 | Oliver Jermy | 15 | Hampshire | 54.99 |