EVENT 433 Girls 15 Yrs/Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 2 | Charlotte Lamb | 15 | | Etwall | 1:19.54 |
| 2 | 4 | Naomi Patton | 15 | | Swadlincote | 1:19.01 |
| 3 | 6 | Ellie Rayner | 15 | | Rykneld | 1:23.03 |
| 4 | 8 | Annabelle Ebanks | 18 | | Co Derby | 1:22.88 |
| 5 | 7 | Natasha Everitt | 18 | | Ripley | 1:21.03 |
| 6 | 5 | Arwen Moore | 16 | | Ilkeston | DN:C . |
| 7 | 3 | Nicole Kostrzewa | 15 | | DerbyPhoenix | 1:18.41 |
| 8 | 1 | Brooke Mottram | 15 | | Swadlincote | 1:35.07 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 10 | Isobel Holmes | 15 | | Chesterfield | 1:20.70 |
| 1 | 12 | Darcie Willis | 16 | | Eckington | 1:22.09 |
| 2 | 14 | Isabella Margiotta | 15 | | Ashbourne | 1:19.22 |
| 3 | 16 | Mia Stokes | 16 | | Buxton | 1:18.19 |
| 4 | 18 | Abbie Tunnicliffe | 15 | | Long Eaton | 1:14.28 |
| 5 | 17 | Lilyann Bentham | 15 | | Co Derby | 1:17.27 |
| 6 | 15 | Sophie Hawksworth | 16 | | Swadlincote | 1:29.54 |
| 7 | 13 | Mia Wilson | 15 | | Long Eaton | 1:21.09 |
| 8 | 11 | Freya Parr | 15 | | Repton | 1:20.86 |
| 9 | 9 | Ella Brough | 16 | | Ripley | 1:25.19 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 22 | Macy Helps | 16 | | Rykneld | 1:17.15 |
| 1 | 28 | Mimi Fisher | 16 | | Ripley | 1:14.67 |
| 2 | 34 | Megan Neave | 20 | S14 | Repton | DN:C . |
| 3 | 40 | Catherine Robson | 16 | | Co Derby | 1:13.18 |
| 4 | 46 | Holly Robinson | 18 | | Repton | 1:06.53 |
| 5 | 43 | Erin Gent | 15 | | Repton | 1:10.34 |
| 6 | 37 | Brianna Hansen-Hoare | 16 | | Repton | 1:14.21 |
| 7 | 31 | Helen Sharratt | 17 | | DerbyPhoenix | 1:13.16 |
| 8 | 25 | Jenna Bevan | 15 | | BelperMarlin | 1:16.51 |
| 9 | 19 | Millie Cadden | 16 | | Co Derby | 1:22.98 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 23 | Daisy Wilson | 16 | | Chesterfield | 1:18.16 |
| 1 | 29 | Lauren Tomlinson | 18 | | BelperMarlin | 1:13.62 |
| 2 | 35 | Katie Heald | 17 | | Co Derby | 1:13.38 |
| 3 | 41 | Anna Tyers | 15 | | Co Derby | 1:07.95 |
| 4 | 47 | Charlotte Hall | 21 | | Etwall | 1:11.25 |
| 5 | 44 | Charlotte Roome | 16 | | Co Derby | 1:08.74 |
| 6 | 38 | Isabel Wright | 17 | | Long Eaton | 1:10.66 |
| 7 | 32 | Lucy Cadden | 19 | | Co Derby | 1:14.57 |
| 8 | 26 | Paige Dyche | 15 | | Swadlincote | 1:19.88 |
| 9 | 20 | Isla Perry-Taylor | 16 | | BelperMarlin | 1:19.78 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 24 | Sophie Martin | 16 | | Chesterfield | 1:16.92 |
| 1 | 30 | Millie King | 15 | | Co Derby | DN:C . |
| 2 | 36 | Kate Pearson | 17 | | Chesterfield | 1:11.82 |
| 3 | 42 | Olivia Hann | 17 | | Repton | 1:11.36 |
| 4 | 48 | Lucy Hitchin | 18 | | Repton | 1:04.76 |
| 5 | 45 | Ashleigh Green | 17 | | Repton | 1:07.02 |
| 6 | 39 | Kt Taylor | 17 | | Chesterfield | 1:12.01 |
| 7 | 33 | Isabelle Brailsford | 16 | | BelperMarlin | 1:14.56 |
| 8 | 27 | Emilie Kummerfeld | 18 | | BelperMarlin | 1:15.80 |
| 9 | 21 | Hebe Spooner | 15 | | Dronfield | 1:14.81 |