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| 300 |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 43.3 | Tessa Ryder | | U17 | W | | | | Devon Schs | 43.0 | 43.0 |  |
| 2 | 43.9 | Rebecca Phillips | | U17 | W | 16 | 27.02.94 | | North Devon | 43.05 | 43.05 | |
| 3 | 46.6 | Abbie Brailey | | U17 | W | 14 | 19.07.95 | | North Devon | 45.4 | 44.83 | |
| 4 | 47.6 | Imogen Dinham-Price | PB | U17 | W | 16 | 18.11.93 | | Exeter | 47.6 | 47.6 | |
| 5 | 48.2 | Olivia Flanagan | PB | U17 | W | | | Mark Brace | North Devon | 48.2 | 48.2 | |
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