EVENT 308 Female 16 /Over 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Emily Wallace | 16 | Northampton | 3:41.17 |
| 4 | 3 | Eve Taylor | 17 | Northampton | 3:34.01 |
| 5 | 2 | Ella Fairbairn | 16 | Kettering | 3:34.70 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Millie Day | 18 | Rushden | 3:29.20 |
| 3 | 7 | Isabelle Tanner | 17 | Corby | 3:25.10 |
| 4 | 9 | Nika Buhharova | 16 | Corby | 3:20.30 |
| 5 | 8 | Olivia Hajo | 16 | Corby | 3:24.40 |
| 6 | 6 | Hallie McAlindon | 17 | Kettering | 3:28.10 |
| 7 | 4 | Sophia Meulle | 16 | Daventry | 3:33.90 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Imogen Howes | 19 | Northampton | 3:16.80 |
| 2 | 13 | Maya Bovingdon | 17 | Northampton | 3:14.18 |
| 3 | 15 | Kaeley Naughton | 16 | Kettering | 3:10.00 |
| 4 | 17 | Lana Giles | 19 | Kettering | 3:08.70 |
| 5 | 16 | Evie Reamsbottom | 16 | Daventry | 3:09.10 |
| 6 | 14 | Orna Lett | 16 | Northampton | 3:11.28 |
| 7 | 12 | Kaia Dawson | 16 | Corby | 3:14.56 |
| 8 | 10 | Frankie Lamont | 17 | Kettering | 3:19.30 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Ruby Cummins | 21 | Wellingboro | 3:05.80 |
| 2 | 21 | Alice Berrill | 18 | Daventry | 2:58.66 |
| 3 | 23 | Alexa Parker | 17 | Corby | 2:52.40 |
| 4 | 25 | Alice Wallinger | 16 | Wellingboro | 2:44.50 |
| 5 | 24 | Charlotte Jarman | 18 | Rushden | 2:50.10 |
| 6 | 22 | Claire Lera | 43 | Rushden | 2:53.00 |
| 7 | 20 | Evelyn Coppa | 16 | Corby | 3:00.94 |
| 8 | 18 | Grace Grindrod | 18 | Northampton | 3:05.90 |