| Junior Men 800 Metres HEAT 1 (Motspur Park, 14 May) | 1 | | T Pullen | (Aldershot, Farnham & District AC) | 1:58.9 | | | | | 2 | | Murray Reid | (Epsom & Ewell Harriers) | 1:59.0 | | | | | 3 | | S Powell | (Woking AC) | 1:59.4 | | | | | 4 | | T Cross | (Woking AC) | 2:04.0 | | | | | 5 | | P Lmermitte | (Belgrave Harriers) | 2:05.2 | | | | | 6 | | Robin Firth | (South London Harriers) | 2:05.8 | | | | | 7 | | R Charles | (Epsom & Ewell Harriers) | 2:06.5 | | | | | 8 | | P Collinson | (Epsom & Ewell Harriers) | 2:08.0 | | | | | 9 | | Colin Cooper | (Croydon Harriers) | 2:10.3 | | | | |
| | | Junior Men 800 Metres HEAT 2 (Motspur Park, 14 May) | 1 | | Richard Vassall | (Waverley Harriers) | 1:58.0 | | | | | 2 | | Tony Barratt | (Woking AC) | 1:58.1 | | | | | 3 | | R O'Hara | (Belgrave Harriers) | 1:59.2 | | | | | 4 | | I Croft | (Camberley & District AC) | 2:00.2 | | | | | 5 | | M Nelson | (Hercules Wimbledon AC) | 2:01.3 | | | | | 6 | | F Marsh | (Herne Hill Harriers) | 2:02.3 | | | | | 7 | | R Massey | (Camberley & District AC) | 2:03.9 | | | | | 8 | | N Slade | (King Edward School, Witley) | 2:07.5 | | | | | 9 | | Gavin Glover | (Croydon Harriers) | 2:08.9 | | | | | 10 | | D Thorne | (Mitcham AC) | 2:17.4 | | | | |
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| Junior Men 800 Metres HEAT 3 (Motspur Park, 14 May) | 1 | | Keith Hutchings | (South London Harriers) | 2:03.6 | | | | | 2 | | R Wilbey | (Reigate Priory AC) | 2:03.7 | | | | | 3 | | Terry Booth | (Woking AC) | 2:03.8 | | | | | 4 | | C Servant | (Surrey Beagles AC) | 2:06.5 | | | | | 5 | | S Roberts | (Hounslow AC) | 2:08.6 | | | | | 6 | | N Fairbrother | (Mitcham AC) | 2:09.6 | | | | | 7 | | D Fitzpatrick | (Mitcham AC) | 2:11.8 | | | | | 8 | | C Beardsall | (Dorking St Paul's AC) | 2:14.9 | | | | | 9 | | Tim Bailey | (South London Harriers) | 2:18.6 | | | | | 10 | | S Smith | (Mitcham AC) | 2:24.9 | | | | |
| | | Junior Men 800 Metres FINAL (Motspur Park, 19 May) | 1 | | Tony Barratt | (Woking AC) | 1:55.9 | | | | | 2 | | Richard Vassall | (Waverley Harriers) | 1:56.6 | | | | | 3 | | Keith Hutchings | (South London Harriers) | 1:57.9 | | | | | 4 | | I Croft | (Camberley & District AC) | 1:58.6 | | | | | 5 | | Murray Reid | (Epsom & Ewell Harriers) | 1:58.7 | | | | | 6 | | R Wilbey | (Reigate Priory AC) | 1:59.4 | | | | | 7 | | S Powell | (Woking AC) | 1:59.9 | | | | | 8 | | T Pullen | (Aldershot, Farnham & District AC) | 2:01.2 | | | | | 9 | | Terry Booth | (Woking AC) | 2:03.7 | | | | |
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