| Junior Men 400 Metres HEAT 1
(Motspur Park, 12 May) | | 1 | | Paul Harmsworth | (Walton AC) | 51.2 | | | | | | 2 | | Shaun Hannan | (Croydon Harriers) | 51.6 | | | | | | 3 | | M Sullivan | (Woking AC) | 52.4 | | | | | | 4 | | M Richardson | (Walton AC) | 53.2 | | | | | | 5 | | Peter Maloney | (Croydon Harriers) | 53.4 | | | | | | 6 | | J Tippell | (Epsom & Ewell Harriers) | 54.8 | | | | | | 7 | | C Knight | (Worth) | 56.3 | | | | |
| | | Junior Men 400 Metres HEAT 2
(Motspur Park, 12 May) | | 1 | | M DeVille | (Epsom College) | 52.0 | | | | | | 2 | | A Hutchins | (Hercules Wimbledon AC) | 53.6 | | | | | | 3 | | M Longley | (Whitgift School, Croydon) | 54.3 | | | | | | 4 | | M Vaughan | (Epsom & Ewell Harriers) | 55.5 | | | | | | 5 | | P Smith | (Sutton & Cheam Harriers) | 60.1 | | | | |
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