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| 400 U20M h1 (6 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 47.56 | Clovis Asong | | U20 | M | 17 | 31.10.94 | Keith Hunter | Sale Harriers Manchester | 47.25 | 46.74 |  |
| 2 | 48.60 | Alex Boyce | | U20 | M | 18 | 18.06.94 | Robert Roberts | Liverpool H | 47.03 | 47.03 | |
| 3 | 48.72 | Sam Bedford | | U20 | M | 17 | 20.09.94 | Rupert Bedford | Wells City/Millfield Sch | 48.41 | 48.41 | |
| 4 | 48.99 | Scott Atkinson | SB | U20 | M | 17 | 05.05.95 | Christopher Bedford | Wakefield | 48.7 | 48.29 | |
| 5 | 49.28 | Lolu Oluwole-Ojo | | U20 | M | 17 | 07.10.94 | Marina Armstrong | Windsor Slough Eton & Hounslow | 48.66 | 48.45 | |
| 6 | 49.95 | Jonathan Osbourne | | U20 | M | 18 | 23.02.94 | Marina Armstrong | Hercules Wimbledon | 49.10 | 48.94 | |
| 400 U20M h2 (6 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 47.29 | George Caddick | | U20 | M | 17 | 29.07.94 | Dominic Tighe | Sale Harriers Manchester | 47.05 | 47.05 | |
| 2 | 48.22 | Farren Morgan | | U20 | M | 18 | 29.10.93 | Christopher Harris | Bexley | 47.95 | 47.95 | |
| 3 | 48.31 | David Lagerberg | | U20 | M | 18 | 08.11.93 | | Mansfield | 47.73 | 47.73 | |
| 4 | 49.78 | Ollie Smith | | U20 | M | 18 | 15.12.93 | | Chichester | 48.56 | 48.56 | |
| 5 | 50.10 | Matthew Constable | | U20 | M | 17 | 06.11.94 | | Ipswich | 49.01 | 49.01 | |
| 6 | 50.25 | Joseph Kinsey | | U20 | M | 17 | 16.05.95 | Keith Holt | Birchfield H | 49.37 | 49.25 | |
| 400 U17M h1 (6 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 49.80 | Ben Snaith | | U17 | M | 16 | 17.09.95 | Mick Graham | Cambridge & Coleridge/Cambridge TC | 47.92 | 47.51 | |
| 2 | 49.81 | Joseph Reid | PB | U17 | M | 16 | 08.03.96 | | Manx | 49.74 | 49.74 | |
| 3 | 49.99 | Daniel Gray | SB | U17 | M | 15 | 12.09.96 | Stephen Wymark | Kingston upon Hull | 49.99 | 49.79 | |
| 4 | 50.20 | Jacob Ness | PB | U17 | M | 15 | 07.06.97 | Lee Ness | City of Salisbury | 50.20 | 49.28 | |
| 5 | 50.23 | Jack Wightman | PB | U17 | M | 16 | 30.11.95 | Laurence Garnham | Newquay & Par | 49.7 | 49.69 | |
| 6 | 50.78 | Theodore Zake | PB | U17 | M | | | Joseph McDonnell | Charnwood | 50.78 | 50.78 | |
| 7 | 51.28 | Freddie Owsley | | U17 | M | 15 | 06.01.97 | | Bristol & West | 51.20 | 50.4 | |
| 400 U17M h2 (6 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 49.53 | Josh Evans | PB | U17 | M | 16 | 30.09.95 | Sandra Woodman | Yate | 49.53 | 49.53 | |
| 2 | 49.91 | Dereece O'Callaghan | | U17 | M | 16 | 14.04.96 | Jane Dixon | Shaftesbury Barnet | 48.66 | 48.66 | |
| 3 | 50.03 | Jack Goodband | PB | U17 | M | | | Joseph McDonnell | Charnwood | 50.03 | 50.03 | |
| 4 | 50.15 | Theo Blundell | PB | U17 | M | 16 | 30.11.95 | Eddie Cockayne | Birchfield H | 50.15 | 50.15 | |
| 5 | 50.64 | Scott Barker | PB | U17 | M | 15 | 20.03.97 | David Vosser | Winchester | 50.32 | 50.32 | |
| 6 | 51.30 | Adam Jamson | | U17 | M | 15 | 08.07.96 | Joe Galvin | Leigh | 50.74 | 50.74 | |
| 7 | 52.11 | Liam Skyner | | U17 | M | 16 | 13.10.95 | Robert Roberts | Liverpool H | 51.5 | 51.5 | |
| 400 U17M h3 (6 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 48.40 | Nick Petrou | PB | U17 | M | 15 | 20.07.96 | John Baron | Leeds City | 48.25 | 48.25 | |
| 2 | 48.88 | Joe Robertshaw | PB | U17 | M | 16 | 08.05.96 | | Gateshead | 48.88 | 48.88 | |
| 3 | 48.97 | Matthew Chant | PB | U17 | M | 15 | 12.10.96 | James Coney | Andover | 48.97 | 48.97 | |
| 4 | 50.47 | Denver Morrison-Massey | PB | U17 | M | 15 | 04.05.97 | Dominic Tighe | Sale Harriers Manchester | 50.30 | 50.30 | |
| 5 | 51.07 | Simeon Clarence | PB | U17 | M | 16 | 04.12.95 | Robert Hingley | Bromsgrove & Redditch | 50.3 | 50.3 | |
| 6 | 51.15 | Daniel Petty | | U17 | M | 16 | 05.11.95 | Robert Grew | Exeter | 50.83 | 50.40 | |
| 7 | 52.04 | Mark Cottam | | U17 | M | 15 | 23.09.96 | | Yate | 51.87 | 51.6 | |
| 400 U15M h1 (6 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 51.38 | Elliot Scott | | U15 | M | 14 | 26.03.98 | Norbert Rosser | Taunton | 51.21 | 51.20 | |
| 2 | 51.91 | Patrick Channings | PB | U15 | M | 14 | 13.11.97 | Adam Tofield | Tavistock/Cornwall Schs/Armada | 51.91 | 51.91 | |
| 3 | 51.94 | Ajibola Aderemi | PB | U15 | M | 14 | 20.09.97 | Alf Vickers | Victoria Park & Tower Hamlets | 51.17 | 51.17 | |
| 4 | 52.82 | Samuel Day | PB | U15 | M | 14 | 20.09.97 | Rick Betts | Middlesbrough (Mandale) | 52.82 | 52.82 | |
| 5 | 53.87 | Joe Milton | PB | U15 | M | 13 | 29.09.98 | Raymond Twentyman | Liverpool Pembroke Sefton | 53.87 | 53.2 | |
| 6 | 54.83 | Maximilian Marmor | PB | U15 | M | 14 | 05.09.97 | | Harrow | 54.83 | 53.5 | |
| 7 | 55.43 | Joseph Nockels | PB | U17 | M | 15 | 13.05.97 | | Owls Leicester | 55.43 | 55.43 | |
| 400 U15M h2 (6 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 50.98 | Matthew Pagan | PB | U15 | M | 14 | 15.01.98 | Daniel Gilroy | West Cheshire | 50.61 | 50.4 | |
| 2 | 51.48 | Ashley Sandall | PB | U15 | M | 14 | 23.09.97 | George Skafidas | Nene Valley | 51.48 | 50.74 | |
| 3 | 52.08 | Taylor Hartman | PB | U15 | M | 14 | 17.09.97 | | Chelmsford | 52.08 | 52.08 | |
| 4 | 52.12 | Elliot Holland | PB | U15 | M | 14 | 23.10.97 | Paul Merrell | West Norfolk | 52.12 | 51.4 | |
| 5 | 52.84 | James Hilton | PB | U15 | M | 14 | 28.09.97 | Keith Bullock | Derby | 52.84 | 52.84 | |
| 6 | 54.24 | Ellis Whorlton-Jones | PB | U15 | M | 14 | 23.09.97 | | Lancashire Schs | 54.24 | 54.24 | |
| 7 | 54.31 | Connor Aldridge | PB | U15 | M | 13 | 06.08.98 | | Daventry | 54.31 | 53.73 | |
| 400 U15M h3 (6 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 51.76 | Mahmood Khaisto | PB | U15 | M | 14 | 05.01.98 | | S Factor | 50.39 | 50.39 | |
| 2 | 52.58 | Jason Misso | PB | U15 | M | 14 | 17.12.97 | Catherine Walker | Herts Phoenix | 51.99 | 51.99 | |
| 3 | 53.56 | Ricardo King | PB | U15 | M | 14 | 28.12.97 | | Croydon | 53.1 | 52.6 | |
| 4 | 54.20 | Abdul Wahab | PB | U15 | M | 14 | 23.06.98 | | Middlesbrough (Mandale)/Cleveland Schs | 54.20 | 54.20 | |
| 5 | 54.26 | Tom Lewis | | U15 | M | 14 | 11.12.97 | | Yeovil/Dorset Schs | 54.21 | 54.21 | |
| 6 | 55.38 | Lewis Ryan | | U15 | M | | | Christopher Bowman | Medway & Maidstone | 54.30 | 54.30 | |
| 7 | 55.94 | Michael Thompson | | U15 | M | | | | Durham Schs | 54.7 | 54.2 | |
| 400 U20W h1 (6 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 55.97 | Ann Ika-Oqua | | U20 | W | | | | Wolverhampton & Bilston | 55.41 | 55.41 | |
| 2 | 56.25 | Seren Bundy-Davies | PB | U20 | W | 17 | 30.12.94 | Stephen Ball | Macclesfield | 55.88 | 54.77 | |
| 3 | 56.45 | Rachel Dickens | | U20 | W | 17 | 28.10.94 | John Blackie | Blackheath & Bromley | 55.16 | 55.07 | |
| 4 | 56.53 | Laura Shanley | | U20 | W | | | Stephen Carroll | Liverpool H | 56.01 | 56.01 | |
| 5 | 56.80 | Ciara Flannery | PB | U20 | W | 17 | 08.09.94 | Stuart Hall | Spenborough | 56.36 | 56.36 | |
| 6 | 58.12 | Nicole Burlinson | PB | U20 | W | 18 | 14.11.93 | | Darlington H | 57.99 | 57.99 | |
| 7 | 59.98 | Lauren Bugler | | U20 | W | 17 | 31.07.94 | Andy Bibby | Preston | 59.8 | 59.8 | |
| 400 U20W h2 (6 Jul) |
| Pos | Perf | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 56.27 | Jessie Knight | | U20 | W | 18 | 15.06.94 | James McDonald | Herne Hill | 54.41 | 54.41 | |
| 2 | 56.70 | Alice Kaye | PB | U20 | W | 18 | 02.05.94 | | Scunthorpe | 56.70 | 56.70 | |
| 3 | 56.96 | Jodie Harrison | | U20 | W | 18 | 25.01.94 | Howard Court | Wolverhampton & Bilston | 56.0 | 56.0 | |
| 4 | 58.25 | Chantelle Robinson | | U20 | W | 17 | 20.12.94 | David Hourd | Notts | 58.02 | 57.9 | |
| 5 | 58.71 | Georgia Yearby | | U20 | W | 17 | 19.02.95 | | Leeds City | 57.5 | 57.5 | |
| 6 | 60.10 | Hannah Segrave | | U20 | W | 17 | 14.04.95 | | Middlesbrough (Mandale) | 58.4 | 58.1 | |
| - | DNS | Kirsten McAslan | | U20 | W | 18 | 01.09.93 | Trevor Painter | Sale Harriers Manchester | 53.91 | 53.02 | |