EVENT 332 Female 10/12 Yrs 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Darcey Wood | 11 | Brackley SC | |
| 4 | 3 | Ella Legg | 11 | Wellingboro | |
| 5 | 2 | Georgia Nicholls | 11 | Daventry | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Sofia Williams | 10 | Corby | |
| 2 | 6 | Edith Mackenzie-Wilson | 11 | Wellingboro | |
| 3 | 8 | Eliza Groom | 11 | Corby | 1:56.29 |
| 4 | 10 | Isabella Horton | 11 | Kettering | |
| 5 | 9 | Juliet Long | 11 | Wellingboro | |
| 6 | 7 | Daisy-Raie Weekes | 11 | Northampton | 1:54.03 |
| 7 | 5 | Annabelle Lucas | 11 | Northampton | 1:55.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Rose Cooper | 10 | Wellingboro | |
| 2 | 14 | Lyla Hayes | 10 | Corby | |
| 3 | 16 | Lily Muir | 10 | Rushden | 1:53.39 |
| 4 | 18 | Pippa Payton | 10 | Brackley SC | 2:01.07 |
| 5 | 17 | Sophie Walgate | 11 | Northampton | |
| 6 | 15 | Jessica Blenkhorn | 11 | Wellingboro | |
| 7 | 13 | Keira Bunce | 11 | Rushden | 2:03.60 |
| 8 | 11 | Lilly Knipes | 11 | Northampton | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | A Ursache | 12 | Kettering | |
| 2 | 28 | Evie Lewis-Cox | 12 | Nene Valley | 1:47.15 |
| 3 | 34 | Lara Cooper | 12 | Northampton | |
| 4 | 40 | Olivia Fern | 12 | Northampton | 1:33.29 |
| 5 | 37 | Maria Volosciuc | 12 | Daventry | 1:41.58 |
| 6 | 31 | Poppy Payton | 12 | Brackley SC | |
| 7 | 25 | Sophie Quennell | 12 | Northampton | |
| 8 | 19 | Grace Balneaves | 11 | Northampton | 1:53.54 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 23 | Matilda Wright | 12 | Northampton | |
| 2 | 29 | Elsie Bailey | 12 | Kettering | |
| 3 | 35 | Savannah Koriya | 11 | Northampton | 1:47.22 |
| 4 | 41 | Addyson Hicks | 12 | Corby | 1:34.41 |
| 5 | 38 | Ivy Morris | 12 | Daventry | |
| 6 | 32 | Darcy Poole | 12 | Northampton | 1:40.26 |
| 7 | 26 | Leah Whitehead | 12 | Northampton | |
| 8 | 20 | Ana Cucoranu | 11 | Corby | 1:51.26 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Imogen Taylor | 12 | Northampton | |
| 2 | 30 | Milly Webb | 12 | Northampton | 1:39.98 |
| 3 | 36 | Daria Bielawski | 12 | Northampton | 1:44.73 |
| 4 | 42 | Amber Muir | 12 | Rushden | 1:30.75 |
| 5 | 39 | Jessica Kemp | 12 | Wellingboro | 1:40.77 |
| 6 | 33 | Isabella Gerrett | 12 | Rushden | |
| 7 | 27 | Willow Price | 12 | Daventry | |
| 8 | 21 | Ren Wood | 12 | Corby | |