EVENT 102 Mixed 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Ian Powell | 65 | Nofio Cymru | DN:C . |
| 4 | 4 | Jeanne Petit | 54 | Leic Peng | 1:16.06 |
| 5 | 3 | Judith Pearson | 64 | Carlisle Aq | 1:18.07 |
| 6 | 1 | Roger Lloyd-Mostyn | 83 | Otter | 1:53.21 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Elizabeth Bellinger | 46 | Bishop Stort | 1:10.40 |
| 2 | 8 | Ken Flett | 52 | Co Sheffield | 1:07.85 |
| 3 | 10 | Alex Thurston | 43 | NottmLeander | 1:03.20 |
| 4 | 12 | Jamie McHale | 52 | Co Sheffield | 1:04.08 |
| 5 | 11 | Craig Ward | 39 | Trafford Met | 1:07.81 |
| 6 | 9 | Louisa Zolkiewski | 31 | Trafford Met | 1:11.41 |
| 7 | 7 | Dean Blackman | 49 | Woking | 1:08.11 |
| 8 | 5 | Liz Woolner | 57 | Flitwick | 1:12.47 |