EVENT 504 Womens MC 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 4 | Isabel Dean | 12 | S10 | Leic Peng | 1:45.70 |
| 2 | 8 | Anya Falkus | 14 | S13 | Wisbech | 1:35.38 |
| 3 | 12 | Rebecca Franks | 19 | S9 | Gainsborough | 1:28.84 |
| 4 | 16 | Coral Farrell | 15 | S10 | Warrington W | 1:21.85 |
| 5 | 14 | Harriet Dickinson | 19 | S10 | Clevedon | 1:27.58 |
| 6 | 10 | Adele Maguire | 15 | S8 | Warrington W | 1:31.65 |
| 7 | 6 | Olivia-Mae Cameron | 17 | S8 | Mt Kelly | 1:37.46 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 2 | Katie Moss | 15 | S6 | Bracknell | 2:01.00 |
| 1 | 5 | G Cooper-Holmes | 16 | S7 | Cockermouth | 1:40.94 |
| 2 | 9 | Drew Stables | 14 | S10 | Copeland | 1:32.68 |
| 3 | 13 | Eleanor Bamber | 20 | S10 | Satellite | 1:27.72 |
| 4 | 17 | Katie Nesbitt | 18 | S14 | UEA Norwich | 1:12.44 |
| 5 | 15 | Katie Crowhurst | 12 | S13 | Wycombe Dist | 1:27.22 |
| 6 | 11 | Maya Brisco | 16 | S9 | Staines | 1:29.16 |
| 7 | 7 | Porsha Jones | 14 | S10 | Shrewsbury | 1:36.22 |
| 8 | 3 | Georgia Howell | 14 | S6 | Littleh'pton | 1:54.08 |
| 9 | 1 | Charlotte Hyde | 14 | S7 | Bark & Dagen | 2:01.22 |