EVENT 504 Womens MC 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 8 | Georgia Howell | 16 | S6 | Littleh'pton | 1:46.75 |
| 2 | 14 | Erin Boyles | 12 | S14 | Workington | 1:38.92 |
| 3 | 20 | Eleanor Bamber | 22 | S10 | Satellite | 1:29.13 |
| 4 | 26 | Katie Crowhurst | 14 | S13 | Wycombe Dist | 1:19.73 |
| 5 | 23 | Drew Stables | 16 | S10 | Cockermouth | 1:24.96 |
| 6 | 17 | G Cooper-Holmes | 18 | S7 | Cockermouth | 1:36.55 |
| 7 | 11 | Scarlett Humphrey | 13 | S12 | Northampton | 1:43.74 |
| 8 | 5 | Isla Howe | 16 | S7 | Nova Cent'n | 1:58.52 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 3 | Elizabeth Foster | 14 | S8 | Havant & Wat | 2:03.89 |
| 1 | 9 | Leah O'Connell | 16 | S7 | Camden Swiss | 1:45.60 |
| 2 | 15 | Rebecca Franks | 21 | S9 | Newark | 1:38.57 |
| 3 | 21 | Fern Ioannou | 15 | S14 | Wycombe Dist | 1:28.56 |
| 4 | 27 | Georgia Sheffield | 13 | S14 | Co Salford | 1:18.30 |
| 5 | 24 | Coral Farrell | 17 | S10 | Warrington W | 1:20.87 |
| 6 | 18 | Abigail Daly | 13 | S14 | Devonport | 1:31.27 |
| 7 | 12 | Eliza Humphrey | 13 | S12 | Northampton | 1:43.05 |
| 8 | 6 | Emily-Jane Surgeoner | 11 | S9 | Orion | 1:52.37 |
| 9 | 1 | Emily Holder | 14 | S7 | Harrogate | 2:20.20 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 4 | Katie Moss | 17 | S6 | Mt Kelly | 2:01.85 |
| 1 | 10 | Charlotte Hyde | 16 | S7 | Camden Swiss | 1:44.38 |
| 2 | 16 | Madeleine Harris | 15 | S9 | Elmbridge | 1:38.00 |
| 3 | 22 | Jay McCabe | 16 | S9 | Derwentside | 1:25.12 |
| 4 | 28 | Megan Neave | 15 | S14 | Co Derby | 1:16.26 |
| 5 | 25 | Ffion Butler | 20 | S9 | Birm'ham Uni | 1:20.54 |
| 6 | 19 | Anya Falkus | 16 | S13 | Wisbech | 1:29.89 |
| 7 | 13 | Eva French | 11 | S10 | Nuneaton | 1:42.59 |
| 8 | 7 | Genevieve Hunter | 16 | S8 | Beachfield | 1:51.06 |
| 9 | 2 | Ellie Spokes | 15 | S6 | Northampton | 2:18.22 |