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| 400 |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 59.1 | Tom Palmer | PB | U15 | M | | | | Sussex Schs | 59.1 | 59.1 |  |
| 2 | 60.5 | Matthew Holder | PB | U15 | M | | | | Horsham Blue Star | 60.5 | 60.5 | |
| 3 | 61.8 | Jack Milnthorpe | | U15 | M | 13 | 09.01.98 | Kim Milnthorpe | Horsham Blue Star | 60.7 | 57.2 | |
| 4 | 63.9 | Joe Domingues | | U15 | M | 12 | 09.07.98 | | East Grinstead/Oxted | 61.8 | 57.83 | |
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