| Boys 400 Metres HEAT 1
(Kingsmeadow Stadium, 3 May) | | 1 | | Stephen Mitchell | (Epsom & Ewell Harriers) | 59.4 | | | | | | 2 | | J Oshinowo | (Hercules Wimbledon AC) | 61.4 | | | | | | 3 | | R Carey | (Mitcham & Sutton AC) | 62.9 | | | | | | 4 | | S Wright | (Tiffin School, Kingston) | 63.8 | | | | | | 5 | | M Vernon | (Tiffin School, Kingston) | 80.1 | | | | |
| | | Boys 400 Metres HEAT 2
(Kingsmeadow Stadium, 3 May) | | 1 | | Robert Milner | (Belgrave Harriers) | 58.6 | | | | | | 2 | | Robert Thompson | (Croydon Harriers) | 59.4 | | | | | | 3 | | P Cubitt | (Guildford & Godalming AC) | 63.3 | | | | | | 4 | | R Waller | (Tiffin School, Kingston) | 64.8 | | | | | | 5 | | J Coello | (Dorking St Paul's AC) | 67.8 | | | | | | 6 | | T Kilingsbury | (Tiffin School, Kingston) | 76.6 | | | | |
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