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| 400 SX 1 |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 56.66 | Rachel Dickens | SB | U20 | W | 17 | 28.10.94 | John Blackie | Blackheath & Bromley | 55.16 | 55.07 |  |
| 2 | 57.38 | Carley Wenham | | SEN | W | 24 | 14.03.88 | | Crawley | 56.33 | 56.15 | |
| 3 | 57.92 | Katie Snowden | SB | U20 | W | 18 | 09.03.94 | James McDonald | Herne Hill | 57.92 | 54.51 | |
| 4 | 61.04 | Alice Chandler | PB | U17 | W | 15 | 22.12.96 | Stewart McIntyre | Reigate Priory | 61.04 | 61.04 | |
| 5 | 63.91 | Cadie Willis | PB | U20 | W | 17 | 14.01.95 | Zoe Bowen | Horsham Blue Star | 63.91 | 63.91 | |
| 6 | 65.05 | Haylie Jayne Francis | PB | U20 | W | 17 | 05.10.94 | | Sutton & District | 65.05 | 65.05 | |
| 7 | 68.15 | Ruth Myburgh | SB | U20 | W | 17 | 07.01.95 | | South London | 65.0 | 63.6 | |
| 400 SX 2 |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 57.67 | Daniel Harris | | U15 | M | 14 | 21.11.97 | | Sutton & District | 56.73 | 56.73 | |
| 2 | 58.49 | Jack Milnthorpe | PB | U15 | M | 14 | 09.01.98 | Kim Milnthorpe | Horsham Blue Star | 57.2 | 57.2 | |
| 3 | 58.65 | William Stirling-Stainsby | | U15 | M | 14 | 18.11.97 | George Ogilvie | Winchester | 55.81 | 55.81 | |
| 4 | 60.02 | Ed Evans | PB | U15 | M | 14 | 11.09.97 | | Crawley | 58.6 | 58.6 | |
| 5 | 60.04 | Joe Domingues | PB | U15 | M | 13 | 09.07.98 | | East Grinstead/Oxted | 57.83 | 57.83 | |
| 6 | 62.99 | DERICK OKELO | | U15 | M | | | | Unatt | | | |
| 7 | 66.56 | Josh Knight | | U15 | M | | | | Holland Sports | 63.9 | 63.9 | |
| 8 | 68.93 | Toby Barker | | U15 | M | 12 | 11.05.99 | | Crawley | 67.5 | 67.5 | |
| 400 SX 3 |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 53.88 | Joel Buckett | PB | U17 | M | 16 | 24.12.95 | David Buckett | Crawley | 53.88 | 53.32 | |
| 2 | 55.15 | Josh Freed | PB | U17 | M | 16 | 10.10.95 | John Clements | Brighton & Hove | 53.7 | 53.7 | |
| 3 | 55.94 | Matthew Franklin | | U17 | M | | | | Crawley | 54.0 | 54.0 | |
| 4 | 56.64 | Alexander Hobbs | | U17 | M | 15 | 25.07.96 | | Guildford & Godalming | 53.86 | 53.86 | |
| 5 | 56.84 | Joseph Stanley | | U17 | M | 15 | 08.11.96 | Stewart McIntyre | Reigate Priory | 54.45 | 54.45 | |
| 6 | 60.33 | Joshua Lee | | U17 | M | | | Trevor Raggett | Windsor Slough Eton & Hounslow | 58.06 | 58.06 | |
| 7 | 62.88 | CAMERON DUNN | | U17 | M | | | | Unatt | | | |
| 8 | 67.31 | Theo Donegan | PB | U17 | M | 14 | 16.08.97 | | Brighton & Hove | 67.31 | 67.31 | |
| 400 SX 4 |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 47.92 | Sebastian Rodger | | U23 | M | 20 | 29.06.91 | Steve King | Shaftesbury Barnet | 46.99 | 46.99 | |
| 2 | 49.90 | Matthew Dorrington | SB | U20 | M | 18 | 28.05.93 | Michael Bazire | Brighton & Hove/Brunel Uni | 49.90 | 49.0 | |
| 3 | 51.22 | Nick Duggan | SB | SEN | M | 28 | 22.01.84 | | Crawley | 51.22 | 50.1 | |
| 4 | 51.71 | Shaun Cooke | | U17 | M | 15 | 01.12.96 | Roy Holland | Sutton & District | 49.62 | 49.62 | |
| 5 | 52.08 | Adam Smith | | U23 | M | 20 | 04.10.91 | David Leach | Brighton & Hove | 51.56 | 51.2 | |
| 6 | 53.60 | Steven Baldock | SB | V40 | M | 42 | 05.11.69 | | Hastings AC | 53.60 | 51.59 | |
| 7 | 59.20 | Guy Callaby | SB | V50 | M | 50 | 26.01.62 | | Hastings AC | 59.20 | 58.8 | |