Heats (Declared Winners) Mixed 300m Freestyle Team
| Place | Name | A.G | Club | Time | | | 100 | 200 | 300 | 400 | 500 | 600 | 700 |
| 1. | Lancashire | | Lancashire C | 2:32.77 | | | 50.91 | 1:42.52 | | | | | |
| 2. | N & Durham | | Northumb&Dur | 2:36.21 | | | 54.24 | 1:45.96 | | | | | |
| 3. | Scotland East | | Scotland Eas | 2:38.77 | | | 52.63 | 1:43.98 | | | | | |
| 4. | Yorkshire ASA | | YorkshireASA | 2:39.05 | | | 52.78 | 1:47.94 | | | | | |
| 5. | Middlesex | | Middlesex Co | 2:39.32 | | | 53.13 | 1:48.59 | | | | | |
| 6. | Surrey | | Surrey Co AS | 2:39.81 | | | 55.13 | 1:47.77 | | | | | |
| 7. | Berkshire & S Bucks | | Berks&SBucks | 2:39.89 | | | 54.35 | 1:46.57 | | | | | |
| 8. | Hertfordshire | | HertfordsASA | 2:40.06 | | | 55.51 | 1:49.11 | | | | | |
| 9. | Kent | | KentCounASA | 2:40.13 | | | 52.93 | 1:46.16 | | | | | |
| 10. | Suffolk | | Suffolk ASA | 2:40.17 | | | 54.15 | 1:47.53 | | | | | |
| 11. | Somerset County | | SomersetCoun | 2:41.26 | | | 53.07 | 1:50.18 | | | | | |
| 12. | Dorset | | DorsetCounty | 2:41.73 | | | 56.15 | 1:50.99 | | | | | |
| 13. | South Wales | | South Wales | 2:41.96 | | | 55.52 | 1:49.27 | | | | | |
| 14. | Sussex | | SussexCounty | 2:42.10 | | | 50.40 | 1:46.67 | | | | | |
| 15. | Derbyshire | | Derbyshi ASA | 2:42.35 | | | 53.39 | 1:47.82 | | | | | |
| 16. | Cheshire | | CheshireCo | 2:42.46 | | | 54.10 | 1:51.39 | | | | | |
| 17. | Scotland West | | Scotland Wes | 2:43.80 | | | 56.69 | 1:52.77 | | | | | |
| 18. | Hampshire | | Hampshire Co | 2:43.90 | | | 58.90 | 1:51.41 | | | | | |
| 19. | Nottinghamshire | | Nottinghamsh | 2:44.49 | | | 52.38 | 1:47.51 | | | | | |
| Essex | | EssexCounASA | DQ | O-10L | | 57.80 | 1:51.48 | | | | | |
Disqualification Codes