EVENT 509 Female 14/15 Yrs 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Zara Jefferies | 14 | Matlock | 37.50 |
| 2 | 4 | Lucy Redmond | 14 | Chesterfield | 37.10 |
| 3 | 6 | Elena Jones | 14 | Derby Excel | 36.25 |
| 4 | 8 | Ella Bourne | 14 | Repton | 35.91 |
| 5 | 7 | Charlotte Lamb | 15 | Etwall | 35.97 |
| 6 | 5 | Ella Ratliff | 14 | Derby Excel | 36.40 |
| 7 | 3 | Neve Hudson | 14 | Etwall | 37.39 |
| 8 | 1 | Isabelle Bridges | 14 | Ripley | 37.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Alana Swift | 15 | Eckington | 35.44 |
| 2 | 12 | Isabella Margiotta | 15 | Ashbourne | 34.66 |
| 3 | 14 | Naomi Patton | 15 | Swadlincote | 33.67 |
| 4 | 16 | Paige Dyche | 15 | Swadlincote | 33.40 |
| 5 | 15 | Abbie Tunnicliffe | 15 | Long Eaton | 33.50 |
| 6 | 13 | Phoebe Worgan | 15 | BelperMarlin | 34.33 |
| 7 | 11 | Emily Akitt | 14 | Eckington | 34.98 |
| 8 | 9 | Katy Wright | 14 | Derby Excel | 35.72 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Hebe Spooner | 15 | Dronfield | 32.81 |
| 2 | 20 | Miley Aram | 14 | Long Eaton | 32.80 |
| 3 | 22 | Adea Sollaku | 14 | Derby Excel | 31.46 |
| 4 | 24 | Anna Tyers | 15 | Derby Excel | 30.25 |
| 5 | 23 | Fenella Wooddisse | 15 | Repton | 30.80 |
| 6 | 21 | Millie King | 15 | Derby Excel | 32.10 |
| 7 | 19 | Amelia Denham | 14 | Chesterfield | 32.80 |
| 8 | 17 | Bailey Carter | 15 | Eckington | 33.20 |