EVENT 11 Mixed 18 Yrs/Over 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lee Macdonald | 75 | Diss Otters | 8:50.44 |
| 2 | 2 | Patricia Jackson | 76 | East Anglian | 7:43.18 |
| 3 | 3 | Andrew Wright | 66 | Stowmarket | 6:19.69 |
| 4 | 4 | Phillip Trelford | 52 | Co Ely | 6:19.30 |
| 5 | 5 | Kitty Craig | 40 | Hadleigh | 5:40.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Suzanne Welham | 59 | St Albans Ma | 5:35.69 |
| 2 | 7 | Andrew Kitson | 49 | Harlow Pen | 5:30.00 |
| 3 | 8 | Simon Clasby | 46 | Co Ely | 5:30.00 |
| 4 | 9 | Alexander Smith | 41 | Harlow Pen | 5:15.00 |
| 5 | 10 | Gemma Cannon | 31 | Deben | 5:10.17 |
| 6 | 11 | Dale Barker | 61 | Felixstowe | 5:08.39 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Greg Jardine | 45 | Huntingdon | 5:08.00 |
| 2 | 13 | Rosa Chrystie-Lowe | 27 | Gt Yarmouth | 5:07.00 |
| 3 | 14 | Oliver Hale | 25 | Stowmarket | 5:06.00 |
| 4 | 15 | Susan Evans | 45 | Biggleswade | 5:05.49 |
| 5 | 16 | Jo Mitchinson | 44 | Team Luton | 5:00.86 |
| 6 | 17 | Niall Tiernan | 54 | Brentwood | 4:56.63 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Emma Wheeler | 27 | teamipswich | 4:55.96 |
| 2 | 21 | Oliver Bumstead | 40 | Stowmarket | 4:47.12 |
| 3 | 23 | Andrew Kimpton | 31 | West Suffolk | 4:35.64 |
| 4 | 22 | Thomas Allen | 27 | Flitwick | 4:43.78 |
| 5 | 20 | Owen Bird | 31 | Putteridge | 4:50.65 |
| 6 | 18 | Charlotte Begg | 29 | Co Cambridge | 4:56.42 |