| Final | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 1 | Maisie Catt | 14 | SM7 | RichmondDale | 3:56.79 |
| 1 | 2 | Mwaba Mkwasa | 18 | SM8 | Norwich Swan | 3:39.58 |
| 2 | 3 | Fallon Cooney | 21 | SM10 | Co Manch Aq | 3:28.87 |
| 3 | 4 | Rebecca Hardy-Bishop | 23 | SM13 | Jersey | 3:18.30 |
| 4 | 5 | Ella Williams | 16 | SM13 | Swindon | 3:05.11 |
| 5 | 6 | Tylia Glynn | 17 | SM14 | Stockport Mo | 3:07.86 |
| 6 | 7 | Charlie-Morgan Imrie | 16 | SM14 | Nova Cent'n | 3:19.23 |
| 7 | 8 | Abigail Daly | 18 | SM14 | Devonport | 3:32.27 |
| 8 | 9 | Rose Webb | 12 | SM6 | Northampton | 3:55.33 |