EVENT 208 Womens MC 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 3 | G Cooper-Holmes | 15 | S7 | Carlisle Aq | 1:52.19 |
| 1 | 7 | Olivia-Mae Cameron | 16 | S8 | Guildford Ct | 1:39.10 |
| 2 | 11 | Rebecca Franks | 18 | S9 | Gainsborough | 1:31.19 |
| 3 | 15 | Danielle Hartin | 13 | S14 | Basildon Ph | 1:25.67 |
| 4 | 19 | Ffion Butler | 17 | S9 | Shrewsbury | 1:20.78 |
| 5 | 17 | Jay McCabe | 13 | S9 | Derwentside | 1:23.30 |
| 6 | 13 | Eleanor Bamber | 19 | S10 | Glossop | 1:27.93 |
| 7 | 9 | Anya Falkus | 13 | S13 | Wisbech | 1:34.83 |
| 8 | 5 | Maisie Summers-Newton | 13 | S6 | Wellingboro | 1:44.53 |
| 9 | 1 | Georgia Howell | 13 | S6 | Littleh'pton | 2:01.96 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 4 | Porsha Jones | 13 | S10 | Shrewsbury | 1:45.69 |
| 1 | 8 | Katie Crowhurst | 11 | S13 | Wycombe Dist | 1:34.94 |
| 2 | 12 | Hope Gordon | 21 | S9 | StirlingSwim | 1:30.90 |
| 3 | 16 | Natalie Moon | 20 | S14 | KingstonHull | 1:25.05 |
| 4 | 20 | Megan Richter | 15 | S9 | Orion | 1:17.28 |
| 5 | 18 | Coral Farrell | 14 | S10 | Warrington W | 1:23.21 |
| 6 | 14 | Harriet Dickinson | 18 | S10 | Clevedon | 1:26.46 |
| 7 | 10 | Maya Brisco | 15 | S9 | Staines | 1:31.23 |
| 8 | 6 | Levana Hanson | 15 | S8 | Gloucester | 1:42.04 |
| 9 | 2 | Morgan Holland | 12 | S8 | Chase | 2:00.64 |