EVENT 16 Open/Male 18 Yrs/Over 100m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Michael Mann | 66 | Felixstowe | 2:00.00 |
| 3 | 2 | Robert Diehl | 50 | Berkhamsted | 1:30.00 |
| 4 | 3 | Justin Chacksfield | 51 | Kettering | 1:27.39 |
| 5 | 4 | Alastair Gibb | 63 | Team Luton | 1:26.01 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Clive Mitson | 54 | Stowmarket | 1:25.00 |
| 2 | 6 | Mark Strakosch | 62 | Berkhamsted | 1:24.00 |
| 3 | 7 | Thomas Sorrell | 28 | Co Norwich | 1:20.45 |
| 4 | 8 | Michael Loubser | 63 | Diss Otters | 1:20.38 |
| 5 | 9 | Rob Lucas | 52 | Diss Otters | 1:20.00 |
| 6 | 10 | Samuel Fox | 45 | Flitwick | 1:17.47 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Alexander Smith | 41 | Harlow Pen | 1:16.22 |
| 2 | 14 | Ryan Clay | 28 | Stowmarket | 1:08.72 |
| 3 | 16 | Myles Turner | 23 | West Suffolk | 1:00.00 |
| 4 | 15 | Ashley Buck | 43 | Team Anglia | 1:07.00 |
| 5 | 13 | William Sidney-Roberts | 20 | Co Norwich | 1:15.00 |
| 6 | 11 | William Johnson | 18 | Diss Otters | 1:17.20 |