EVENT 213 Female 10/14 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Grace Keen | 11 | BelperMarlin | 1:53.40 |
| 3 | 3 | Henrietta Hems Gillson | 11 | Repton | 1:40.75 |
| 4 | 5 | Hannah John | 11 | Repton | 1:47.75 |
| 5 | 4 | Orla Woodward | 12 | Buxton | 1:51.31 |
| 6 | 2 | Ines Rubio | 12 | Chesterfield | 1:54.59 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Lyra Robinson | 13 | Repton | 1:36.29 |
| 1 | 15 | Ada Moorhouse | 12 | Derby Excel | 1:28.36 |
| 2 | 21 | Eva Williams | 14 | Eckington | 1:25.74 |
| 3 | 27 | Megan Hector | 14 | Etwall | 1:25.76 |
| 4 | 33 | Isla Johnson | 13 | BelperMarlin | 1:16.49 |
| 5 | 30 | Mahi Bains | 14 | Derby Excel | 1:20.83 |
| 6 | 24 | Idena Grimes | 13 | Repton | 1:24.87 |
| 7 | 18 | Evelyn Szabo | 12 | Repton | 1:33.11 |
| 8 | 12 | Robyn Robertson | 14 | Ilkeston | 1:32.53 |
| 9 | 6 | Georgia Messam | 11 | Dronfield | 1:51.52 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 10 | Constance Brinkworth | 12 | Derby Excel | 1:33.46 |
| 1 | 16 | Evie Moorcroft | 13 | Ripley | 1:24.55 |
| 2 | 22 | Abigail Hodges | 14 | Chesterfield | 1:23.73 |
| 3 | 28 | Anwen Williams | 14 | Buxton | DN:C . |
| 4 | 34 | Kyra Winter | 13 | Chesterfield | 1:11.06 |
| 5 | 31 | Roisin Power | 13 | DerbyPhoenix | 1:15.47 |
| 6 | 25 | Elsie Hatton | 12 | Repton | 1:19.98 |
| 7 | 19 | Ava Grieveson-Chuck | 14 | BelperMarlin | 1:26.11 |
| 8 | 13 | Grace Sewell | 13 | Chesterfield | 1:30.35 |
| 9 | 7 | Chloe Foreman | 13 | Ilkeston | 1:35.12 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 11 | Harriet Moores | 13 | Ripley | 1:27.85 |
| 1 | 17 | Violet Warwick | 13 | Long Eaton | 1:26.02 |
| 2 | 23 | Lucy Tongue | 13 | Ripley | 1:22.88 |
| 3 | 29 | Amelie Ratliff | 14 | Derby Excel | 1:23.60 |
| 4 | 35 | Evelyn Connor | 14 | Ripley | 1:12.02 |
| 5 | 32 | Daisy Tatlow-Turner | 14 | Chesterfield | 1:15.00 |
| 6 | 26 | Amelia Hinchliffe | 13 | Chesterfield | 1:20.40 |
| 7 | 20 | Ava Mcclenahan | 13 | Swadlincote | 1:22.90 |
| 8 | 14 | Ava Cranfield | 14 | Eckington | 1:31.41 |
| 9 | 8 | Isla Davies | 11 | Chesterfield | 1:31.96 |