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| 300HW h1 (1 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 45.28 | Jessica Turner | PB | U17 | W | 15 | 08.08.95 | Julie Feeney | Amber Valley | 43.80 | 43.80 |  |
| 2 | 45.98 | Eleanor Duck | PB | U17 | W | 16 | 30.11.94 | Alan Hewson | Windsor Slough Eton & Hounslow/Buckinghamshire Sch | 45.98 | 45.98 | |
| 3 | 46.28 | Lucy Hickmott | | U17 | W | 16 | 25.03.95 | Alan Champion | Dartford H | 46.00 | 46.00 | |
| 4 | 46.65 | Lizzie Clifford | | U17 | W | 15 | 28.09.95 | Dave Amey | City of Salisbury | 45.72 | 44.0 | |
| 5 | 48.27 | Hannah Scales | | U17 | W | 16 | 06.05.95 | | Rugby & Northampton | 46.8 | 46.8 | |
| 6 | 48.29 | Libby Naylor | | U17 | W | 16 | 31.10.94 | Arnie Wray | Shrewsbury | 46.2 | 46.2 | |
| | DNS | Hayley McLean | | U17 | W | 16 | 09.09.94 | Steve Mitchell | Chelmsford | 42.63 | 42.63 | |
| 300HW h2 (1 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 45.05 | Bethany Sharp | PB | U17 | W | 16 | 24.02.95 | Desmond Brear | Wakefield | 44.28 | 44.28 | |
| 2 | 45.06 | Shona Richards | | U17 | W | 15 | 01.09.95 | Marina Armstrong | Epsom & Ewell | 43.86 | 41.84 | |
| 3 | 45.52 | Hannah Dunderdale | PB | U17 | W | 16 | 02.11.94 | Antonio Minichiello | Lincoln Wellington | 44.50 | 44.50 | |
| 4 | 46.60 | Melanie Grigg | | U17 | W | 15 | 25.11.95 | | Herts Phoenix | 46.4 | 45.75 | |
| 5 | 46.61 | Lauren Milnthorpe | | U17 | W | 16 | 15.02.95 | | Horsham Blue Star | 46.5 | 46.5 | |
| 6 | 47.04 | Amy Hodgson | | U17 | W | 15 | 18.01.96 | Veronica Boden | City of Sheffield | 45.6 | 45.6 | |
| 7 | 48.92 | Hattie Dent | | U17 | W | 15 | 13.09.95 | Michael Rimmer | Yate | 47.20 | 46.4 | |
| 300HW h3 (1 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 44.57 | Georgia Whitfield | SB | U17 | W | 15 | 21.07.95 | | Durham | 44.57 | 44.00 | |
| 2 | 45.00 | Beth Bolton | PB | U17 | W | 15 | 19.09.95 | Roger Devlin | Sale Harriers Manchester | 45.00 | 45.00 | |
| 3 | 45.03 | Connie McMillan | PB | U17 | W | 16 | 14.11.94 | | Banbury | 44.13 | 44.13 | |
| 4 | 45.47 | Katie Stainton | | U17 | W | 16 | 08.01.95 | Trevor Marsay | Birchfield H | 44.16 | 43.62 | |
| 5 | 46.58 | Stephanie Williams | | U17 | W | 16 | 05.09.94 | David Rice | Herts Phoenix/Lincolnshire Schs | 45.9 | 45.53 | |
| 6 | 48.01 | Alice Jennings | | U17 | W | 16 | 14.02.95 | | West Cheshire | 46.3 | 45.9 | |
| 7 | 51.18 | Lilian Brower | | U17 | W | 15 | 18.12.95 | | Camberley | 46.84 | 45.8 | |