Event 209 Mens 18-24 50 Metre Butterfly
| Name | Age | Club | Time |
| 1 | Brian Beaton | 23 | Glenrothes | 28.15 |
| 2 | David Sutherland | 20 | Thurso | 28.67 |
| 3 | Kenneth Jeffrey | 24 | Renfrew Bath | 29.67 |
| 4 | Charles Shearer | 20 | Unattached | 30.32 |
| 5 | Barry Moncrieff | 22 | GlasgowNmds | 31.91 |
Event 209 Mens 25-29 50 Metre Butterfly
| Name | Age | Club | Time |
| 1 | Craig Holmes | 26 | Incas | 27.05 |
| 2 | David Roberts | 26 | Birmingham M | 27.17 |
| 3 | John McKay | 26 | Forfar | 29.19 |
| 4 | Rob Williams | 28 | Otter | 29.21 |
| 5 | Stuart Cole | 28 | Silver City | 29.66 |
| 6 | Andrew Broach | 27 | Carlisle Mas | 32.37 |
| 7 | Martin Neal | 28 | Cardiff Mast | 45.83 |
Event 209 Mens 30-34 50 Metre Butterfly
| Name | Age | Club | Time |
| 1 | Calum Fraser | 32 | Incas | 27.36 |
| 2 | Greig Henderson | 30 | Silver City | 28.39 |
| 3 | Alistair Young | 34 | Hamilton WP | 29.98 |
| 4 | Alan Martin | 31 | Silver City | 29.99 |
| 5 | Justin Carter | 34 | Glasgow Wn | 30.88 |
| 6 | Patrick Corkery | 34 | Nac Masters | 32.03 |
| 7 | Richard Lawford | 32 | Cardiff Mast | 32.49 |
| 8 | Mark O'Connor | 31 | Silver City | 32.82 |
Event 209 Mens 35-39 50 Metre Butterfly
| Name | Age | Club | Time |
| 1 | Douglas McLean | 35 | GlasgowNmds | 28.70 |
| 2 | Myles Little | 38 | Carlisle Mas | 29.19 |
| 3 | Iain Teaz | 38 | GlasgowNmds | 29.83 |
| 4 | Norman Williamson | 35 | GlasgowNmds | 30.13 |
| 5 | Keith Dunnett | 37 | Silver City | 30.76 |
Event 209 Mens 40-44 50 Metre Butterfly
| Name | Age | Club | Time |
| 1 | Derek Watson | 42 | Kirkcaldy | 28.42 |
| 2 | Paul Evans | 41 | Forres | 29.48 |
| 3 | Evan Williams | 42 | Grove | 30.94 |
| 4 | Alistair Leanord | 44 | Co Glasgow | 32.06 |
| 5 | David Hogg | 43 | GlasgowNmds | 32.69 |
| 6 | Nick Andrews | 40 | GlasgowNmds | 32.84 |
| 7 | Phil Robbins | 40 | Silver City | 34.04 |
| 8 | Donald Tosh | 43 | Co Glasgow | 34.86 |
| 9 | Oggy East | 40 | GlasgowNmds | 40.56 |
| 10 | Keith Budge | 41 | Thurso | 43.89 |
Event 209 Mens 45-49 50 Metre Butterfly
| Name | Age | Club | Time |
| 1 | Dermot Canavan | 49 | Aer Lingus | 31.19 |
| 2 | Gary Hurr | 46 | GlasgowNmds | 31.31 |
| 3 | Brad Robertson | 45 | East Lothian | 31.57 |
| 4 | Graeme Schreiber | 49 | Ren 96 | 33.47 |
| 5 | Guy Fawkes | 48 | Billingham | 34.22 |
| 6 | William Primavesi | 46 | Silver City | 35.24 |
| 7 | Fred McLaughlin | 48 | Inverclyde M | 38.08 |
Event 209 Mens 50-54 50 Metre Butterfly
| Name | Age | Club | Time |
| 1 | Stewart Maxwell | 50 | Dundee City | 32.72 |
| 2 | John Henry | 54 | GlasgowNmds | 33.90 |
| 3 | Terry John | 51 | Cardiff Mast | 39.00 |
| 4 | Andrew Evans | 52 | Silver City | 43.99 |
| 5 | Robert Szmidt | 51 | Sth Ayrshire | 44.00 |
Event 209 Mens 55-59 50 Metre Butterfly
| Name | Age | Club | Time |
| 1 | Ian Milne | 56 | Silver City | 30.72 |
| 2 | Tony O'Brien | 59 | Aer Lingus | 31.82 |
| 3 | Bill Forbes | 57 | Inverness | 36.84 |
Event 209 Mens 60-64 50 Metre Butterfly
| Name | Age | Club | Time |
| 1 | Chris Trueman | 60 | East Anglian | 36.46 |
| 2 | Hugh Cullen | 63 | Glasgow Wn | 41.07 |
Event 209 Mens 65-69 50 Metre Butterfly
| Name | Age | Club | Time |
| 1 | Maurice J McDonald | 69 | Liverpool | 1:00.07 |