| Group |
| Name | Club | Actual |
| Adjusted |
| Evt No: |
| 703 | (Age Adjusted) | Men | 100m Butterfly | Time |
| C |
| David Emerson | City of Leeds | 1 |
| 0.39 | 0 |
| 57.91 |
| C |
| Mark Mason | Salisbury | 1 |
| 2.42 | 0 |
| 59.81 |
| B |
| David Chaney | Gateshead & Whickham | 1 |
| 0.93 | 0 |
| 59.87 |
| D |
| Simon Veale | Totnes | 1 |
| 4.39 | 1 |
| 0.10 |
| B |
| Nicolus Vaughan | Royal Navy | 1 |
| 2.71 | 1 |
| 0.65 |
| D |
| Trevor Clark | Camp Hill Edwardians | 1 |
| 5.78 | 1 |
| 0.75 |
| C |
| Wray Shewell-Cooper | Potters Bar | 1 |
| 5.38 | 1 |
| 2.56 |
| B |
| Duncan Hartley | Spencer | 1 |
| 3.75 | 1 |
| 2.74 |
| C |
| Mike O'Toole | Thamet Vikings | 1 |
| 5.58 | 1 |
| 3.35 |
| H |
| David Cumming | Eastbourne | 1 |
| 18.13 | 1 |
| 3.37 |
| F |
| Derek Parr | Otter | 1 |
| 13.84 | 1 |
| 3.67 |
| A |
| Malcolm Stewart | Fins | 1 |
| 4.45 | 1 |
| 4.27 |
| B |
| Stephen Kenny | Kilmarnock | 1 |
| 6.73 | 1 |
| 4.65 |
| B |
| Gavin Barlow | Swiss Cottage | 1 |
| 7.25 | 1 |
| 6.07 |
| B |
| Paul Noble | Glenrothes | 1 |
| 8.26 | 1 |
| 6.32 |
| C |
| John Anderson | Gloucester | 1 |
| 10.20 | 1 |
| 6.46 |
| D |
| Simon Hindshaw | Glasgow Western | 1 |
| 11.30 | 1 |
| 6.86 |
| J |
| Seymour Banning | Kingston Royals | 1 |
| 28.27 | 1 |
| 7.49 |
| C |
| Anthony Corben | Fareham Nomads | 1 |
| 11.06 | 1 |
| 8.22 |
| A |
| Keith Scott | Glasgow Nomads | 1 |
| 9.13 | 1 |
| 8.75 |
| A |
| David Bell | Ards ASC | 1 |
| 10.81 | 1 |
| 10.25 |
| F |
| Bob Cracknell | Romford Town | 1 |
| 20.81 | 1 |
| 10.48 |
| C |
| Mark Barlow | Reading University | 1 |
| 14.41 | 1 |
| 11.18 |
| C |
| Stephen Pople | Winchester City Penguins | 1 |
| 14.85 | 1 |
| 11.34 |
| D |
| Kevin Brame | Dagenham | 1 |
| 26.78 | 1 |
| 20.70 |
| H |
| Bruce Cook | Badaguish | 1 |
| 40.29 | 1 |
| 21.78 |
| D |
| Tom Hill | Y Swim | 1 |
| 29.48 | 1 |
| 23.48 |
| G |
| Edward Boyd-Tuck | Wisbech | 1 |
| 52.80 | 1 |
| 34.01 |
| M |
| Ernest Clemett | St Austell & District | 2 |
| 52.68 | 1 |
| 38.11 |
| Evt No: |
| 704 | (Age Adjusted) | Women | 100m Butterfly | Time |
| B |
| Katherine Veale | Totnes | 1 |
| 10.02 | 1 |
| 8.29 |
| B |
| Karen James | Bristol | 1 |
| 10.35 | 1 |
| 8.71 |
| A |
| Maria Kelly | Swiss Cottage | 1 |
| 9.97 | 1 |
| 9.72 |
| B |
| Linda Oliphant | Arbroath St. Thomas | 1 |
| 14.17 | 1 |
| 12.90 |
| A |
| Jane McClure | City of Glasgow | 1 |
| 14.08 | 1 |
| 13.37 |
| B |
| Suzanne Welham | Hatfield | 1 |
| 16.71 | 1 |
| 14.33 |
| A |
| Karen Taylor | Gloucester | 1 |
| 16.26 | 1 |
| 15.26 |
| J |
| Flora Connolly | Heart of Midlothian | 1 |
| 40.35 | 1 |
| 16.83 |
| A |
| Donna Adam | Stirling | 1 |
| 19.08 | 1 |
| 18.11 |
| C |
| Linda Woodburn | Arbroath St. Thomas | 1 |
| 22.28 | 1 |
| 18.91 |
| A |
| Jo Swatton | Fareham Nomads | 1 |
| 21.36 | 1 |
| 20.57 |
| B |
| Helen Morley | Glenrothes | 1 |
| 43.55 | 1 |
| 40.76 |
| B |
| Melinda Lutton | Gateshead & Whickham | 1 |
| 44.59 | 1 |
| 42.85 |
| A |
| Anna Tizzard | Glenrothes | 1 |
| 45.51 | 1 |
| 44.43 |
| G |
| Dianne Baldwin | Bromley Masters | 2 |
| 28.09 | 2 |
| 4.79 |
| D |
| Helen O'Leary | Kings Hospital Dublin | 2 |
| 26.36 | 2 |
| 16.01 |
| 25 June 1998 | Page 28 of 31 |