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| 400H U23M h1 (16 Jun) |
| Pos | Perf | UKC | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 52.66 | 0 | Sebastian Rodger | | U23 | M | 20 | 29.06.91 | Stephen King | Shaftesbury Barnet | 50.50 | 50.14 |  |
| 2 | 53.09 | 127 | Isaac Ogunlade | | U23 | M | 20 | 28.10.91 | Chris Zah | Havering Mayesbrook | 52.23 | 52.23 | |
| 3 | 53.86 | 0 | Cameron Irwin | | U23 | M | 19 | 20.10.92 | Ian Grant | Colchester H/Brunel Uni | 52.21 | 52.21 | |
| 4 | 54.90 | 82 | Oliver Palmer | | U23 | M | 19 | 28.06.92 | Steven Garrett | City of York/East Anglia Uni | 54.15 | 53.20 | |
| 5 | 57.31 | | Jonathan Mann | | U23 | M | 19 | 16.11.92 | Ron Roddan | Aberdeen/Imperial College/Thames Valley/Netherland | 54.15 | 54.15 | |
| 6 | 57.73 | 11 | Connor Henderson | | U23 | M | 19 | 02.10.92 | Sheila Atkinson | Glasgow City/Glasgow Caledonian Uni | 54.25 | 54.19 | |
| 400H U23M h2 (16 Jun) |
| Pos | Perf | UKC | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 54.22 | 0 | Ashley Fry | | U23 | M | 20 | 14.12.91 | Danny Hodge | Windsor Slough Eton & Hounslow | 52.26 | 52.05 | |
| 2 | 54.32 | 0 | Tom Moakes | | U23 | M | 21 | 31.12.90 | Nick Dakin | Notts/Loughborough Uni | 52.26 | 52.26 | |
| 3 | 54.55 | 0 | Alec Wing | | U23 | M | 21 | 23.08.90 | Chris Zah | Victoria Park & Tower Hamlets/East London U | 54.23 | 53.46 | |
| 4 | 56.20 | 50 | Tom Parry | | U23 | M | 20 | 08.06.92 | Richard Holt | Kingston & Poly/Loughborough Uni | 54.83 | 54.83 | |
| 5 | 57.68 | 13 | William Hartley | | U23 | M | 21 | 13.10.90 | Cy Knibb | Woking/Bristol Uni/Bristol & West | 54.85 | 54.85 | |
| - | DNF | 0 | David Dempsey | | U23 | M | 21 | 07.02.91 | Matthew Wood | Gateshead/Newcastle Uni | 52.40 | 51.91 | |
| 400H U23M h3 (16 Jun) |
| Pos | Perf | UKC | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 52.72 | 0 | Mike Baker | SB | U23 | M | 22 | 06.04.90 | Fayyaz Ahmed | Woodford Green Essex Ladies/Loughborough Uni | 51.68 | 51.64 | |
| 2 | 54.41 | 0 | Paul Bennett | | U23 | M | 19 | 11.12.92 | Matt Elias | Swansea/UWIC | 52.40 | 52.04 | |
| 3 | 54.96 | 81 | Jordan Aromasodu | | U23 | M | 20 | 19.06.91 | Chris Zah | Victoria Park & Tower Hamlets/Brunel Uni | 54.45 | 54.08 | |
| 4 | 55.24 | 74 | Michael Haslett | | U23 | M | 22 | 22.01.90 | | Manx/UWIC/Cardiff | 54.09 | 54.09 | |
| 5 | 59.07 | 0 | Matthew Sumner | | U23 | M | 20 | 17.03.92 | Colin Bovell | City of Plymouth/Bath Uni/Armada | 51.26 | 51.26 | |
| 400H U20M h1 (16 Jun) |
| Pos | Perf | UKC | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 54.30 | | Ben Kiely | | U20 | M | 18 | 11.03.94 | | Ferrybank/Ireland | 53.31 | 53.31 | |
| 2 | 55.07 | 78 | Matthew Lavoipierre | | U20 | M | 18 | 26.10.93 | Bill Jewers | Basingstoke & Mid Hants | 52.5 | 52.5 | |
| 3 | 55.37 | 70 | Simon Davies | SB | U20 | M | 19 | 18.01.93 | William Whistlecroft MBE | Yeovil/Newcastle Uni | 55.37 | 54.62 | |
| 4 | 56.95 | 31 | Cameron Dixon | | U20 | M | 17 | 21.10.94 | Denis Doyle | Oswestry | 54.55 | 54.55 | |
| 5 | 58.92 | 0 | Darius Price | | U20 | M | 17 | 24.01.95 | | Harrow | 58.18 | 58.18 | |
| 6 | 59.53 | 0 | Danny Driver | | U20 | M | 18 | 03.11.93 | Graham Pilkington | Southport Waterloo | 58.4 | 58.4 | |
| 400H U20M h2 (16 Jun) |
| Pos | Perf | UKC | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 54.48 | 0 | Jacob Paul | | U20 | M | 17 | 06.02.95 | Marina Armstrong | Windsor Slough Eton & Hounslow | 52.11 | 52.03 | |
| 2 | 55.04 | 0 | Sean Adams | | U20 | M | 18 | 01.09.93 | Todd Bennett | Southampton | 52.73 | 52.73 | |
| 3 | 56.44 | 0 | Ewan Dyer | | U20 | M | 18 | 12.06.94 | Eric Simpson | Pitreavie | 53.98 | 52.96 | |
| 4 | 57.31 | 0 | Seumas Thomson | | U20 | M | 17 | 22.04.95 | Keith Ridley | Edinburgh AC | 55.53 | 55.53 | |
| 5 | 62.63 | 0 | Lennox Thompson | | U20 | M | 18 | 22.10.93 | Tony Jarrett | Newham & Essex Beagles | 57.32 | 57.0 | |