EVENT 5 Mixed 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Judith Clarke | 47 | Co Lincoln P | 2:04.90 |
| 4 | 2 | Elaine Seager | 62 | Loughborough | 1:42.00 |
| 5 | 3 | Jacqueline Hanes | 49 | Hinckley | 1:31.15 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Leanne Ord | 29 | Bircotes SC | 1:20.00 |
| 2 | 5 | Mark Partridge | 62 | Stroud Mast | 1:20.00 |
| 3 | 6 | Scott Hadley | 27 | Co Coventry | 1:18.92 |
| 4 | 7 | Mark Kendall | 55 | Market Har | 1:17.11 |
| 5 | 8 | Amy Godwin | 24 | Coalville | 1:13.67 |
| 6 | 9 | Spencer Martin | 54 | Braunstone | 1:11.00 |
| 7 | 10 | Mark Patterson | 61 | Calv Bing | 1:11.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Alice Ball | 28 | Market Har | 1:07.21 |
| 2 | 14 | Amie Hammonds | 28 | Kenilworth M | 1:06.30 |
| 3 | 16 | Finn Linton | 26 | Kenilworth M | 1:02.88 |
| 4 | 18 | Paul Page | 18 | Hinckley | 1:00.63 |
| 5 | 17 | Charlie James | 19 | Market Har | 1:02.46 |
| 6 | 15 | Amr Abdin | 21 | Derby Excel | 1:04.36 |
| 7 | 13 | Ian Wilkes | 58 | Loughborough | 1:06.50 |
| 8 | 11 | Charlie Goddard | 21 | Leicester Ne | 1:08.32 |