EVENT 503 Womens Open 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 2 | Harriet West | 97 | Co Leicester | 30.99 |
| 2 | 8 | Eliza Duffy | 97 | Chelmsford | 30.54 |
| 3 | 14 | Victoria Hevey | 93 | Loughboro Un | 30.28 |
| 4 | 20 | Jessica Fullalove | 96 | Co Manch Aq | 28.79 |
| 5 | 17 | Isabella Hindley | 96 | Chelsea&West | 29.88 |
| 6 | 11 | Phoebe Lenderyou | 95 | Plymouth Lea | 30.43 |
| 7 | 5 | Josephine Blades | 97 | St Felix Sch | 30.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 3 | Grace Lee | 95 | Hatfield | 30.93 |
| 2 | 9 | Shauntelle Austin | 97 | Blackpool Aq | 30.53 |
| 3 | 15 | Kirsty Simpson | 96 | Dun City Aqu | 30.15 |
| 4 | 21 | Lauren Quigley | 95 | Stockport Mo | 28.15 |
| 5 | 18 | Harriet Cooper | 97 | Co Leicester | 29.87 |
| 6 | 12 | Danielle Stirrat | 93 | Co Cardiff | 30.34 |
| 7 | 6 | Rachel Helm | 97 | Tynemouth | 30.71 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 4 | Sylvia Brunlehner | 94 | Co Manch Aq | 30.85 |
| 2 | 10 | Charlotte Reid | 95 | Hatfield | 30.50 |
| 3 | 16 | Jessica Lloyd | 95 | Co Manch Aq | 29.93 |
| 4 | 22 | Georgia Davies | 90 | Swansea Uni | 28.04 |
| 5 | 19 | Charlotte McKenzie | 96 | F.I.R.S.T. | 29.42 |
| 6 | 13 | Karen Reid | 98 | Sth Ayrshire | 30.34 |
| 7 | 7 | Kathryn Willis | 92 | Loughboro Un | 30.58 |
| 8 | 1 | Emily Grant | 97 | Co Aberdeen | 31.02 |