EVENT 610 Female 16 Yrs/Over 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Marni Lambert | 16 | Derby Excel | 33.40 |
| 2 | 4 | Zoe Boucherat | 16 | Etwall | 33.00 |
| 3 | 6 | Sophie Millidge | 17 | Swadlincote | 32.27 |
| 4 | 8 | Lauren Tomlinson | 18 | BelperMarlin | 32.20 |
| 5 | 7 | Sophie Martin | 16 | Chesterfield | 32.22 |
| 6 | 5 | Chloe Outram | 16 | BelperMarlin | 32.30 |
| 7 | 3 | Macy Helps | 16 | Rykneld | 33.20 |
| 8 | 1 | Matilda Hase | 16 | Long Eaton | 33.40 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Isabel Wright | 17 | Long Eaton | 31.76 |
| 2 | 12 | Libby Walsh | 16 | Swadlincote | 30.70 |
| 3 | 14 | Arabella Green | 16 | Repton | 29.50 |
| 4 | 16 | Eja Coe | 17 | Derby Excel | 28.20 |
| 5 | 15 | Helen Sharratt | 17 | DerbyPhoenix | 29.10 |
| 6 | 13 | Alice Marriott | 17 | Repton | 30.30 |
| 7 | 11 | Charlotte Marshall | 17 | Ripley | 31.68 |
| 8 | 9 | Isla Perry-Taylor | 16 | BelperMarlin | 32.00 |