EVENT 508 Women 16 Yrs/Over 200m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 1 | Sophie Johnson | 16 | | Wellingboro | 2:57.10 |
| 4 | 3 | Kalinika Cwiklinska | 16 | | Northampton | 2:47.50 |
| 5 | 2 | Bryony Cook | 16 | | Rushden | 2:47.93 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 5 | Isabel Hollyman | 18 | | Wellingboro | 2:46.47 |
| 2 | 7 | Amber Haycock | 16 | S10 | Rushden | 2:45.62 |
| 3 | 9 | Amelia Lonergan | 17 | | Wellingboro | 2:44.99 |
| 4 | 11 | Emma McLean | 16 | | Rushden | 2:37.20 |
| 5 | 10 | Sophie Hacker | 16 | | Northampton | 2:42.15 |
| 6 | 8 | Lucy Dando | 17 | | Corby | 2:45.45 |
| 7 | 6 | Kaitlyn Smyth | 17 | | Wellingboro | 2:46.23 |
| 8 | 4 | Meg Fisher | 18 | | Wellingboro | 2:46.71 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 13 | Elise Sophia Kendall | 17 | | Corby | 2:36.20 |
| 2 | 15 | Mia Matthews | 16 | | Northampton | 2:33.24 |
| 3 | 17 | Anna Johnson | 18 | | Northampton | 2:21.80 |
| 4 | 19 | Evie Woolley | 17 | | Northampton | 2:17.90 |
| 5 | 18 | Emilia Cieszczyk | 16 | | Northampton | 2:19.72 |
| 6 | 16 | Arabella Scotney | 18 | | Rushden | 2:32.38 |
| 7 | 14 | Orla Eyton-Jones | 17 | | Corby | 2:33.52 |
| 8 | 12 | Lilly Tappern | 16 | | Corby | 2:36.70 |