EVENT 252 Mens Open 400m Medley Team - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 2 | 1 | United Bristol Swimmin | 14/16 | Utd Bristol | 4:44.00 |
| 3 | 2 | St Austell A | 14/16 | St Austell A | 4:36.37 |
| 4 | 3 | St Ives Bay SC | 14/16 | St Ives Bay | 4:23.59 |
| 5 | 4 | Exeter City S C | 14/16 | Exeter City | 4:18.61 |
| 6 | 5 | Soundwell SC | 14/16 | Soundwell | 4:18.00 |
| 7 | 6 | St Austell A | 17/OV | St Austell A | 4:17.35 |
| 8 | 27 | Truro City | 4//16 | Truro City | 4:16.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 7 | City of Bristol SC | 14/16 | Co Bristol | 4:16.00 |
| 1 | 8 | Gloucester City S C A | 14/16 | Gloucester | 4:14.50 |
| 2 | 9 | Team Bath AS | 14/16 | Team Bath AS | 4:11.94 |
| 3 | 10 | Swim Bournemouth | 17/OV | S Bournem'th | 4:09.00 |
| 4 | 11 | Mount Kelly Swimming | 14/16 | Mt Kelly | 4:07.23 |
| 5 | 12 | Plymouth Leander SC C | 14/16 | Plymouth Lea | 4:07.01 |
| 6 | 13 | Millfield School | 14/16 | Millfield | 4:02.10 |
| 7 | 14 | Poole SC | 17/OV | Poole | 4:02.00 |
| 8 | 15 | Plymouth Leander SC B | 14/16 | Plymouth Lea | 4:00.83 |
| 9 | 16 | Mount Kelly Swimming B | 17/OV | Mt Kelly | 4:00.79 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | A.G. | Club/Country | Time |
| 0 | 18 | Bournemouth Collegiate | 14/16 | Bourmth Coll | 3:58.60 |
| 1 | 20 | Millfield School B | 17/OV | Millfield | 3:57.00 |
| 2 | 22 | Plymouth Leander SC D | 17/OV | Plymouth Lea | 3:48.95 |
| 3 | 24 | Plymouth Leander SC C | 17/OV | Plymouth Lea | 3:47.57 |
| 4 | 26 | Plymouth Leander SC A | 17/OV | Plymouth Lea | 3:38.29 |
| 5 | 25 | Plymouth Leander SC B | 17/OV | Plymouth Lea | 3:45.21 |
| 6 | 23 | Millfield School | 17/OV | Millfield | 3:47.90 |
| 7 | 21 | Plymouth Leander SC A | 14/16 | Plymouth Lea | 3:52.39 |
| 8 | 19 | Exeter City S C | 17/OV | Exeter City | 3:57.45 |
| 9 | 17 | Mount Kelly Swimming A | 17/OV | Mt Kelly | 4:00.69 |