EVENT 214 Girls 15 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Scarlett Sampson | 15 | Eckington | 1:20.33 |
| 4 | 3 | Lauren Tomlinson | 18 | BelperMarlin | 1:23.48 |
| 5 | 2 | Hebe Spooner | 15 | Dronfield | 1:18.20 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Paige Dyche | 15 | Swadlincote | 1:20.84 |
| 2 | 17 | Arabella Green | 16 | Repton | 1:11.71 |
| 3 | 23 | Anna Tyers | 15 | Co Derby | 1:05.74 |
| 4 | 29 | Eja Coe | 17 | Co Derby | 1:04.79 |
| 5 | 26 | Eleanor Broughton | 17 | Repton | 1:07.40 |
| 6 | 20 | Charlotte Roome | 16 | Co Derby | 1:10.26 |
| 7 | 14 | Sophie Martin | 16 | Chesterfield | 1:13.24 |
| 8 | 8 | Amelie Lincoln | 16 | BelperMarlin | 1:19.06 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 6 | Marni Lambert | 16 | Repton | 1:19.26 |
| 1 | 12 | Connie Rennard | 15 | Repton | 1:13.20 |
| 2 | 18 | Holly Robinson | 18 | Repton | 1:11.66 |
| 3 | 24 | Sophie Baker | 19 | Chesterfield | 1:11.84 |
| 4 | 30 | Henrietta D'Ammassa | 18 | Repton | 1:03.24 |
| 5 | 27 | Katie Heald | 17 | Co Derby | 1:06.57 |
| 6 | 21 | Alice Marriott | 17 | Repton | DN:C . |
| 7 | 15 | Olivia Marshall | 16 | BelperMarlin | 1:13.27 |
| 8 | 9 | Eva Lemmon | 15 | DerbyPhoenix | 1:19.29 |
| 9 | 4 | Heather Bradbury | 18 | DerbyPhoenix | 1:18.45 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 7 | Milissa Moseley | 16 | Eckington | 1:17.39 |
| 1 | 13 | Millie King | 15 | Co Derby | 1:10.07 |
| 2 | 19 | Libby Walsh | 16 | Swadlincote | 1:11.19 |
| 3 | 25 | Poppy Mead | 18 | DerbyPhoenix | 1:06.69 |
| 4 | 31 | Georgina Pryor | 25 | Co Derby | 1:06.08 |
| 5 | 28 | Holly Marshall | 17 | Repton | 1:04.75 |
| 6 | 22 | Helen Sharratt | 17 | DerbyPhoenix | 1:06.92 |
| 7 | 16 | Samanta Millere | 16 | Repton | DQ:8..4 |
| 8 | 10 | Kate Pearson | 17 | Chesterfield | 1:13.81 |
| 9 | 5 | Amelia Young | 17 | Buxton | 1:18.95 |