EVENT 320 Mens Open 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Malcolm Adkins | 78 | Shrewsbury | 1:59.70 |
| 4 | 2 | Derek Lindsay | 66 | Rugby | 1:59.00 |
| 5 | 3 | Garfield Thomas | 77 | Bridgend Cty | 1:50.50 |
| 6 | 4 | Rodney Marks | 67 | Deepings | 1:48.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | David McMahon | 55 | Wyre Forest | 1:44.60 |
| 2 | 6 | Barry Davies | 71 | Rugby | 1:44.00 |
| 3 | 7 | Keith Ingram | 77 | Birmingham M | 1:42.00 |
| 4 | 8 | Peter Purdy | 56 | Perry B & TS | 1:40.22 |
| 5 | 9 | Christopher Thorp | 67 | Etwall | 1:39.99 |
| 6 | 10 | Tim Ashley Sparks | 61 | Bicester | 1:38.73 |
| 7 | 11 | Ian Goodall | 60 | Northampton | 1:34.01 |
| 8 | 12 | Gary Thomas | 46 | Corby | 1:31.50 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 13 | Peter Hayward | 58 | D.T.S | 1:29.00 |
| 2 | 14 | Neil Millican | 50 | King'f Scar | 1:29.00 |
| 3 | 15 | Mark Jones | 57 | Warrington M | 1:27.00 |
| 4 | 16 | Trevor Clark | 63 | Kenilworth M | 1:25.00 |
| 5 | 17 | Michael Wilks | 48 | Kenilworth M | 1:23.25 |
| 6 | 18 | Stephen Atherley | 51 | TigersJersey | 1:22.97 |
| 7 | 19 | Ashley Thomasson | 21 | Wellingboro | 1:22.50 |
| 8 | 20 | Simeon Hemming | 45 | Camphill Ed | 1:20.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 21 | Robert Egan | 42 | Kenilworth M | 1:20.00 |
| 2 | 22 | Graham Aspinall | 34 | NottmLeander | 1:19.00 |
| 3 | 23 | Barry O'Brien | 60 | Nene Valley | 1:17.20 |
| 4 | 24 | James Colvin | 41 | NottmLeander | 1:17.12 |
| 5 | 25 | Devesh Chohan | 25 | Rugby | 1:16.00 |
| 6 | 26 | Daniel Malcolm | 35 | Shrewsbury | 1:15.14 |
| 7 | 27 | Marcel Scholten | 51 | Modernian | 1:15.00 |
| 8 | 28 | Michael Fawkner | 47 | Camphill Ed | 1:15.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 30 | Daniel O'Shea | 31 | Wellingboro | 1:12.97 |
| 2 | 32 | Joshua Patel | 24 | Warwick Uni | 1:10.55 |
| 3 | 34 | Robert Robson | 44 | Kenilworth M | 1:08.00 |
| 4 | 36 | Ross Turner | 37 | Rugby | 1:07.06 |
| 5 | 35 | Aaron Flynn | 27 | Wellingboro | 1:07.78 |
| 6 | 33 | Adam Brear | 28 | Co Coventry | 1:08.68 |
| 7 | 31 | Steve Goult | 45 | Co Coventry | 1:12.00 |
| 8 | 29 | Yury Bocharnikov | 36 | Co Derby | 1:13.37 |