EVENT 603 Female 10/14 Yrs 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Hanna Lenton | 11 | Ripley | 1:54.31 |
| 4 | 4 | Martha Hasham | 10 | Ripley | 1:53.37 |
| 5 | 3 | Holly England | 11 | Ripley | 1:53.91 |
| 6 | 1 | Evelyn Szabo | 11 | Repton | 1:55.56 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Matilda Shawcross | 10 | Bakewell SC | 1:52.97 |
| 2 | 8 | Ava Carter | 11 | BelperMarlin | 1:47.89 |
| 3 | 10 | Lucy Powell | 11 | Ripley | 1:43.26 |
| 4 | 12 | Olivia Male | 12 | Derby Excel | 1:41.64 |
| 5 | 11 | Bella Sparling | 11 | Long Eaton | 1:43.04 |
| 6 | 9 | Georgina Hendry | 12 | Bakewell SC | 1:44.34 |
| 7 | 7 | Bethany Fenn | 10 | BelperMarlin | 1:52.00 |
| 8 | 5 | Isabelle Town | 11 | Eckington | 1:52.99 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Harriet Bagshaw | 12 | Buxton | 1:38.90 |
| 2 | 16 | Emily Edwards | 11 | Repton | 1:38.60 |
| 3 | 18 | Maisie Moore | 13 | Repton | 1:36.30 |
| 4 | 20 | Ayla Konuralp | 13 | Repton | 1:34.52 |
| 5 | 19 | Idena Grimes | 12 | Repton | 1:36.00 |
| 6 | 17 | Lyra Robinson | 12 | Repton | 1:37.20 |
| 7 | 15 | Macy Cox | 12 | Repton | 1:38.80 |
| 8 | 13 | Ada Moorhouse | 11 | Derby Excel | 1:39.50 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Grace Wilson | 13 | Long Eaton | 1:33.48 |
| 2 | 24 | Olivia Lee | 13 | Derby Excel | 1:33.06 |
| 3 | 26 | Alice Hunt | 12 | Derby Excel | 1:32.29 |
| 4 | 28 | Daisy Anton | 14 | Ripley | 1:28.84 |
| 5 | 27 | Isabelle Cameron | 12 | Repton | 1:31.81 |
| 6 | 25 | Amelia Hinchliffe | 12 | Chesterfield | 1:32.63 |
| 7 | 23 | Tahlia Osborne | 13 | Dronfield | 1:33.15 |
| 8 | 21 | Keira Parker | 11 | Derby Excel | 1:33.76 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 30 | Isla Johnson | 12 | BelperMarlin | 1:28.20 |
| 2 | 32 | Anwen Williams | 13 | Buxton | 1:27.66 |
| 3 | 34 | Olivia McCall | 13 | Repton | 1:26.68 |
| 4 | 36 | Ava Cranfield | 13 | Eckington | 1:24.00 |
| 5 | 35 | Isabel Plummer | 13 | Long Eaton | 1:25.49 |
| 6 | 33 | Molly Thompson | 12 | Repton | 1:26.80 |
| 7 | 31 | Isabella Jones | 14 | Repton | 1:27.93 |
| 8 | 29 | Evie Hendry | 14 | Bakewell SC | 1:28.83 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 38 | Katy Wright | 14 | Derby Excel | 1:22.72 |
| 2 | 40 | Lily Mae Glover | 13 | Repton | 1:20.60 |
| 3 | 42 | Elodie Pearcey | 14 | Repton | 1:18.40 |
| 4 | 44 | Amelia Denham | 14 | Chesterfield | 1:15.20 |
| 5 | 43 | Lydia Cordle | 13 | Repton | 1:17.10 |
| 6 | 41 | Jasmine Vaartjes | 14 | Repton | 1:19.94 |
| 7 | 39 | I Parsons-Loades | 12 | Repton | 1:21.70 |
| 8 | 37 | Sadie Llewellyn | 14 | Repton | 1:23.70 |