EVENT 112 Mens 18 Yrs/Over 100m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | Anthony Thornton | 46 | Ashington | |
| 3 | 3 | Ian Longster | 60 | Billingham | 1:46.78 |
| 4 | 2 | Richard Adams | 68 | Duns | 2:06.50 |
| 5 | 26 | Gordon Dickinson | 59 | Ashington | 2.:00.. |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 5 | Graeme Shutt | 69 | Co Sund'land | 1:43.40 |
| 3 | 7 | Christopher Williams | 43 | Billingham | 1:27.00 |
| 4 | 6 | Richard Witty | 49 | King'f Scar | 1:30.00 |
| 5 | 4 | Norman Stephenson | 74 | Co Sund'land | 1:45.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 9 | Graham Padgett | 71 | Warrington M | 1:25.00 |
| 2 | 11 | Peter Clayton | 52 | Tynemouth | 1:20.52 |
| 3 | 13 | Thomas Fairweather | 18 | Boldon | 1:19.40 |
| 4 | 12 | Alastair Gibb | 58 | Team Luton | 1:20.00 |
| 5 | 10 | Philip Robertson | 45 | Ashington | 1:22.00 |
| 6 | 8 | Brian Taylor | 68 | Adwick | 1:25.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 15 | Julian Harforth | 56 | East Leeds | 1:18.00 |
| 2 | 17 | David Borthwick | 50 | East Anglian | 1:16.00 |
| 3 | 19 | Phil Woodward | 38 | Thornaby | 1:14.00 |
| 4 | 18 | Matthew Grant | 54 | Gates &Whick | 1:15.00 |
| 5 | 16 | Robert Woodcock | 61 | Wetherby | 1:16.80 |
| 6 | 14 | Jordan Mogford | 19 | Billingham | 1:18.18 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 21 | Mark Robinson | 35 | Co Sund'land | 1:07.00 |
| 2 | 23 | Nick Valentine | 37 | Newcastle | 1:06.00 |
| 3 | 25 | Matthew Bradley | 20 | Sedgefield | 1:02.52 |
| 4 | 24 | Carl Butler | 74 | RichmondDale | 1:05.00 |
| 5 | 22 | Ben Shaw | 42 | East Leeds | 1:07.00 |
| 6 | 20 | Phil Horner | 40 | Eston | 1:14.00 |