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| 800 Metres (Standard: 2:18.00) |
| | 1:57.42 | 3r21 | Max Heyden | Aldershot, Farnham & District AC | Watford | 14 Jun | | |
| | 1:58.29 | 5r1 | Ewan Bate | Dorking Mole Valley AC | Tooting Bec | 22 Jul | | |
| | 1:59.04 | 5rC | Cameron Enser (U15) | Bracknell AC | Milton Keynes | 2 Jun | | |
| | 1:59.12 | 2rE | Oscar Millard (U16) | Herne Hill Harriers | Eltham | 21 Jun | | |
| | 1:59.81 | 2r19 | Zak Wort | Kingston AC & Polytechnic Harriers | Watford | 14 Jun | | |
| | 2:01.0 | | Marcus Shantry | Aldershot, Farnham & District AC | Aldershot | 25 Jun | | |
| | 2:01.16 | 3rG | Samuel Shaw | Kingston AC & Polytechnic Harriers | Milton Keynes | 3 Jun | | |
| | 2:01.74 | 7r17 | Aaron Enser | Bracknell AC | Watford | 9 Aug | | |
| | 2:02.12 | 6r10 | Oliver Coppellotti (U16) | Walton AC | Watford | 17 May | | |
| | 2:02.26 | | Marvin Tchangwa (U16) | Windsor, Slough, Eton & Hounslow AC | Bromley | 28 May | | |
| | 2:02.95 | | Charlie Kershaw (U16) | Aldershot, Farnham & District AC | Watford | 12 Jul | | |
| | 2:03.4 | | Ben Marks (U16) | Walton AC | Kingston | 5 Jul | | |
| | 2:04.8 | | James Spencer | Woking AC | Woking | 2 Jul | | |
| | 2:04.84 | 3 | Samuel Sheppard (U16) | South London Harriers | Kingston | 10 Jun | | |
| | 2:05.16 mx | 2r17 | Joshua Genco-Russo (U16) | Aldershot, Farnham & District AC | Watford | 14 Jun | | |
| | 2:05.3 | | Joseph Jakubait | Aldershot, Farnham & District AC | Aldershot | 25 Jun | | |
| | 2:05.71 | | Anold Perana (U16) | Crawley AC | Hendon | 23 Jul | | |
| | 2:06.10 mx | 1r3 | Eitan Orenstein | Hercules Wimbledon AC | Tooting Bec | 1 May | | |
| | 2:06.16 mx | 4r8 | Josh Hathaway | Walton AC | Watford | 17 May | | |
| | 2:06.2 | | Henry Fisher (U16) | Holland Sports AC | Croydon | 23 Jul | | |
| | 2:06.41 | | Joe Blacknell (U16) | Aldershot, Farnham & District AC | Watford | 12 Jul | | |
| | 2:07.0 | | Ethan Kendall (U16) | Camberley & District AC | Aldershot | 25 Jun | | |
| | 2:07.4 | | Eoin Canning (U16) | Aldershot, Farnham & District AC | Reading | 6 Aug | | |
| | 2:07.98 | 6 | Callum Hockley (U16) | South London Harriers | Kingston | 10 Jun | | |
| | 2:08.01 | 7r18 | Michael Cottrill (U16) | Walton AC | Watford | 12 Jul | | |
| | 2:08.2 mx | 1 | Luke Mann (U16) | Camberley & District AC | Portsmouth | 2 Apr | | |
| | 2:08.85 | 2h3 | Ben Tatters | Hercules Wimbledon AC | Kingston | 13 May | | |
| | 2:08.9 | | Jordan O'Dongo | Croydon Harriers | Croydon | 23 Jul | | |
| | 2:08.99 mx | 2r14 | Daniel Weston (U16) | Aldershot, Farnham & District AC | Watford | 14 Jun | | |
| | 2:09.25 mx | 6r19 | Lucas Boyt | Slough Junior AC | Watford | 12 Jul | | |
| | 2:09.37 | | Eric Williams (U16) | Kingston AC & Polytechnic Harriers | Perivale | 17 Jun | | |
| | 2:09.6 | | Ben Fitzpatrick (U16) | Walton AC | Croydon | 23 Jul | | |
| | 2:09.9 | | Daniel Roffey (U16) | Epsom & Ewell Harriers | Horsham | 8 Jul | | |
| | 2:10.11 | | Eitan Orenstein | Hercules Wimbledon AC | Carshalton | 15 Apr | | |
| | 2:10.30 | | Oscar Heaney Brufal (U16) | Blackheath & Bromley Harriers AC | Battersea Park | 10 Jun | | |
| | 2:10.3 | | Sol Harris-Woodfin | Kingston AC & Polytechnic Harriers | Poole | 23 Jul | | |
| | 2:10.45 mx | 5r16 | Joshua Taylor (U16) | Walton AC | Watford | 12 Jul | | |
| | 2:10.85 mx | 9 | Robbie Tambling (U16) | Croydon Harriers | Crawley | 28 Aug | | |
| | 2:11.26 mx | 7r18 | Jack Johnson (U16) | Camberley & District AC | Watford | 19 Apr | | |
| | 2:11.4 | | Luke Hill | Croydon Harriers | Croydon | 8 Jul | | |
| | 2:11.6 | 1A | Lucas Boyt | Slough Junior AC | Winchester | 11 Jun | | |
| | 2:12.14 | | Ifetobi Salako | Croydon Harriers | Croydon | 17 Jun | | |
| | 2:12.79 mx | 3r3 | Sam Barker | Hercules Wimbledon AC | Tooting Bec | 1 May | | |
| | 2:12.9 | | Max Chitty (U16) | Aldershot, Farnham & District AC | Hillingdon | 7 May | | |
| | 2:13.6 | | Callum Burnip (U16) | Guildford & Godalming AC | Perivale | 25 Jun | | |
| | 2:13.6 | | Edward Dawson (U16) | Walton AC | Abingdon | 8 Jul | | |
| | 2:13.8 | | Robbie Tambling (U16) | Croydon Harriers | Croydon | 23 Jul | | |
| | 2:13.95 | | Jamie Krammer | Herne Hill Harriers | Tooting Bec | 1 May | | |
| | 2:13.96 | 4 | Dario Kan | Sutton & District AC | Carshalton | 2 Apr | | |
| | 2:14.1 | 1 | Joshua Genco-Russo (U16) | Aldershot, Farnham & District AC | Portsmouth | 8 Apr | | |
| | 2:14.3 | | Ryan Crockett | Croydon Harriers | Croydon | 8 Jul | | |
| | 2:14.5 | | James Hoare | Camberley & District AC | Basingstoke | 2 Jul | | |
| | 2:14.6 | | Joshua Foreman (U16) | Aldershot, Farnham & District AC | Woking | 11 Jun | | |
| | 2:14.7 | | Jack Stracey (U16) | Kingston AC & Polytechnic Harriers | Kingston | 3 May | | |
| | 2:15.7 | 2A | Thomas Hardman (U16) | Guildford & Godalming AC | Eton | 10 Sep | | |
| | 2:15.9 | | George Trimm (U16) | Hercules Wimbledon AC | Battersea Park | 28 Jun | | |
| | 2:16.2 | | Guy Tucker | Aldershot, Farnham & District AC | Aldershot | 25 Jun | | |
| | 2:16.4 | | Pavit Kullar (U16) | Windsor, Slough, Eton & Hounslow AC | Basingstoke | 2 Jul | | |
| | 2:16.8 | | Tom Cursons (U16) | Walton AC | Ewell | 19 Jul | | |
| | 2:17.0 | 3 | Lewis Chouls (U16) | Epsom & Ewell Harriers | Tooting Bec | 29 Apr | | |
| | 2:17.4 | | Charles Cumming | Guildford & Godalming AC | Guildford | 7 May | | |
| | 2:17.58 | | Adam Shew (U16) | Croydon Harriers | Croydon | 17 Jun | | |
| | 2:17.7 | | Joshua Taylor (U16) | Walton AC | Twickenham | 21 Jun | | |
| | 2:17.9 | | Nathan Fitzpatrick (U16) | Aldershot, Farnham & District AC | Woking | 11 Jun | | |
| | 2:18.0 | | Bilal Bentchakal (U16) | Sutton & District AC | Horsham | 21 May | | |