EVENT 18 Female 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Yvonne King | 61 | Braunstone | 44.19 |
| 4 | 2 | Jessica Turney | 20 | Hinckley | 40.93 |
| 5 | 3 | Jacqueline Hanes | 48 | Hinckley | 39.87 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Nicola James | 52 | Market Har | 37.88 |
| 2 | 5 | Lindsey Gowland | 67 | B C & P Mast | 36.85 |
| 3 | 6 | Rachel Hurst | 47 | Leicester Ma | 36.65 |
| 4 | 7 | Hannah Bartlette | 29 | Braunstone | 35.74 |
| 5 | 8 | Catherine Davies | 56 | Leicester Ma | 35.00 |
| 6 | 9 | Jessica Hancock | 23 | Trafford Met | 35.00 |
| 7 | 10 | Lyndsay Roe | 40 | Kettering | 34.64 |
| 8 | 11 | Sarah Tinley | 24 | Birmingham M | 34.46 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Zoe Reynolds | 39 | Derby Excel | 34.43 |
| 2 | 13 | Olivia Wiles | 24 | Leic Peng | 34.10 |
| 3 | 14 | Sarah King | 27 | Rugby | 34.00 |
| 4 | 15 | Alexandra Davies | 30 | Trafford Met | 33.00 |
| 5 | 16 | Alice Lane | 37 | Birmingham M | 32.28 |
| 6 | 17 | Alice Ball | 27 | Market Har | 32.23 |
| 7 | 18 | Emma Joyce | 29 | South Beds | 32.18 |
| 8 | 19 | Molly James | 28 | Trafford Met | 31.79 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Amy Godwin | 23 | Coalville | 31.58 |
| 2 | 23 | Rhianna Sheehan | 26 | Loughborough | 31.12 |
| 3 | 25 | Sarah Johnson | 42 | Trafford Met | 30.27 |
| 4 | 27 | Olivia Pollard | 26 | Birmingham M | 29.57 |
| 5 | 26 | Rebecca Man | 30 | Birmingham M | 30.09 |
| 6 | 24 | Nicola Charlesworth | 42 | Basingstoke | 30.31 |
| 7 | 22 | Kristina Banner | 43 | Calv Bing | 31.50 |
| 8 | 20 | Claire Lera | 41 | Nene Valley | 31.70 |