EVENT 129 Boys 12/13 Yrs 4x50m Medley Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 1 | Scotland Midland | | Scot Midland | |
| 1 | 3 | Cornwall | | Cornwall | 2:12.01 |
| 2 | 5 | Lincolnshire | | Lincolnshire | 2:09.17 |
| 3 | 7 | Suffolk | | Suffolk | 2:08.62 |
| 4 | 9 | Cumbria | | Cumbria | 2:06.79 |
| 5 | 8 | Shropshire | | Shropshire | 2:08.44 |
| 6 | 6 | Gloucestershire | | Gloucs | 2:08.91 |
| 7 | 4 | Swim Wales East | | Swim Wales E | 2:10.96 |
| 8 | 2 | Northamptonshire | | Northants | 2:16.68 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 11 | Leicestershire | | Leics | 2:06.48 |
| 1 | 13 | Bedfordshire | | Bedfordshire | 2:05.82 |
| 2 | 15 | Worcester | | Worcs | 2:05.06 |
| 3 | 17 | Swim Wales West | | Swim Wales W | 2:04.27 |
| 4 | 19 | Warwickshire | | Warwicks | 2:03.01 |
| 5 | 18 | Norfolk | | Norfolk | 2:03.15 |
| 6 | 16 | Wiltshire | | Wiltshire | 2:04.56 |
| 7 | 14 | Cambridgeshire | | Cambs | 2:05.50 |
| 8 | 12 | Devon | | Devon | 2:06.44 |
| 9 | 10 | Sussex | | Sussex | 2:06.48 |