EVENT 309 Womens Open 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 4 | Charlotte Evans | 16 | Co Milton K | 1:04.62 |
| 2 | 10 | Kirsty Simpson | 17 | Dun City Aqu | 1:04.09 |
| 3 | 16 | Rachel Williams | 20 | Bath Univ | 1:03.33 |
| 4 | 22 | Lauren Quigley | 18 | Stockport Mo | 1:00.50 |
| 5 | 19 | Rachel Lefley | 23 | Loughboro Un | 1:02.18 |
| 6 | 13 | Grace Vertigans | 17 | Plymouth Lea | 1:03.53 |
| 7 | 7 | Shauntelle Austin | 16 | Blackpool Aq | 1:04.47 |
| 8 | 1 | Josephine Blades | 16 | St Felix Sch | 1:04.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Eliza Duffy | 16 | Chelmsford | 1:04.57 |
| 2 | 11 | Rebecca Cole | 19 | Co Birm'ham | 1:03.76 |
| 3 | 17 | Isabella Hindley | 17 | Chelsea&West | 1:02.81 |
| 4 | 23 | Georgia Davies | 23 | Swansea Uni | 59.92 |
| 5 | 20 | Natasha Hofton | 18 | Nova Cent'n | 1:02.02 |
| 6 | 14 | Phoebe Lenderyou | 18 | Plymouth Lea | 1:03.48 |
| 7 | 8 | Danielle Stirrat | 20 | Co Cardiff | 1:04.27 |
| 8 | 2 | Sophie Rittenhouse | 18 | Camden Swiss | 1:04.78 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 6 | Emma Smith | 17 | Co Birm'ham | 1:04.54 |
| 2 | 12 | Brittany Horton | 15 | Co Birm'ham | 1:03.62 |
| 3 | 18 | Charlotte McKenzie | 17 | F.I.R.S.T. | 1:02.34 |
| 4 | 24 | Elizabeth Simmonds | 22 | Bath Univ | 59.89 |
| 5 | 21 | Jessica Fullalove | 17 | Co Manch Aq | 1:01.17 |
| 6 | 15 | Kathryn Willis | 21 | Loughboro Un | 1:03.41 |
| 7 | 9 | Emma Saunders | 19 | Co Manch Aq | 1:04.13 |
| 8 | 3 | Ella Bowkley | 16 | Co Birm'ham | 1:04.76 |