EVENT 528 Female 10/12 Yrs 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Lily Raitt | 11 | Corby | 4:39.61 |
| 4 | 3 | Catalina Sava | 11 | Corby | 4:37.74 |
| 5 | 2 | Sofia Williams | 10 | Corby | 4:38.08 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Jessica Blenkhorn | 11 | Wellingboro | 4:32.30 |
| 3 | 7 | Ella Legg | 11 | Wellingboro | 4:27.30 |
| 4 | 9 | Eliza Groom | 11 | Corby | 4:22.70 |
| 5 | 8 | Lyla Hayes | 10 | Corby | 4:23.31 |
| 6 | 6 | Juliet Long | 11 | Wellingboro | 4:28.00 |
| 7 | 4 | Mila Harris | 11 | Rushden | 4:35.33 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Sophie Walgate | 11 | Northampton | 4:18.10 |
| 2 | 13 | Imogen Taylor | 12 | Northampton | 4:01.20 |
| 3 | 15 | Zara Upshall | 12 | Wellingboro | 3:59.50 |
| 4 | 17 | Maya Wisniewska | 12 | Corby | 3:58.21 |
| 5 | 16 | Grace Balneaves | 11 | Northampton | 3:58.80 |
| 6 | 14 | Savannah Koriya | 11 | Northampton | 4:01.00 |
| 7 | 12 | Lily Muir | 10 | Rushden | 4:05.83 |
| 8 | 10 | Annabelle Lucas | 11 | Northampton | 4:19.65 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Ana Cucoranu | 11 | Corby | 3:56.60 |
| 2 | 21 | Evie Lewis-Cox | 12 | Nene Valley | 3:51.19 |
| 3 | 23 | Darcy Poole | 12 | Northampton | 3:47.28 |
| 4 | 25 | Leah Whitehead | 12 | Northampton | 3:41.90 |
| 5 | 24 | Lara Cooper | 12 | Northampton | 3:43.10 |
| 6 | 22 | Hei Yu Luk | 12 | Northampton | 3:50.20 |
| 7 | 20 | Ayla Madden | 12 | Northampton | 3:54.10 |
| 8 | 18 | Sophie Quennell | 12 | Northampton | 3:57.10 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Maria Volosciuc | 12 | Daventry | 3:36.60 |
| 2 | 29 | Jessica Kemp | 12 | Wellingboro | 3:32.50 |
| 3 | 31 | Addyson Hicks | 12 | Corby | 3:19.90 |
| 4 | 33 | Amber Muir | 12 | Rushden | 3:10.30 |
| 5 | 32 | Olivia Fern | 12 | Northampton | 3:15.60 |
| 6 | 30 | Milly Webb | 12 | Northampton | 3:22.40 |
| 7 | 28 | Ivy Morris | 12 | Daventry | 3:34.60 |
| 8 | 26 | Willow Price | 12 | Daventry | 3:38.70 |