EVENT 203 Womens MC 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 3 | 7 | Katie Crowhurst | 15 | S13 | Wycombe Dist | 1:18.20 |
| 4 | 11 | Abby Kane | 16 | S13 | N Ayrshire | 1:13.22 |
| 5 | 9 | Megan Neave | 16 | S14 | Co Derby | 1:15.72 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 1 | Maisie Summers-Newton | 17 | S6 | Northampton | 1:35.81 |
| 1 | 3 | Toni Shaw | 16 | S9 | Aberdeen Per | 1:17.57 |
| 2 | 5 | Beth Johnston | 18 | S10 | B.E.S.T. | 1:17.60 |
| 3 | 8 | Georgia Sheffield | 14 | S14 | Co Salford | 1:14.15 |
| 4 | 12 | Jessica-Jane Applegate | 23 | S14 | Co Norwich | 1:09.85 |
| 5 | 10 | Hannah Russell | 23 | S12 | Co Manch Aq | 1:13.74 |
| 6 | 6 | Poppy Maskill | 14 | S14 | Crewe Flyers | 1:16.04 |
| 7 | 4 | Megan Richter | 19 | S8 | Orion | 1:18.94 |
| 8 | 2 | Grace Harvey | 21 | S6 | Hoddesdon | 1:32.39 |