| Colts 300 Metres HEAT 1 (Kingsmeadow Stadium, 2 May) | 1 | | Tommy Dewey | (Croydon Harriers) | 44.7 | | | | | 2 | | S Greenwood | (Redhill & Surrey Beagles AC) | 48.2 | | | | | 3 | | J Orton | (Tiffin School, Kingston) | 50.7 | | | | | 4 | | Daniel Rumbles | (Woking AC) | 52.7 | | | | | 5 | | Lewis Rhodes | (Kingston AC & Polytechnic Harriers) | 54.4 | | | | | 6 | | R Fleming | (Hercules Wimbledon AC) | 55.9 | | | | |
| | | Colts 300 Metres HEAT 2 (Kingsmeadow Stadium, 2 May) | 1 | | Andrew Hamilton | (Mitcham & Sutton AC) | 49.5 | | | | | 2 | | B St John | (Belgrave Harriers) | 49.5 | | | | | 3 | | W Read | (Waverley Harriers) | 50.7 | | | | | 4 | | Tom Solomon | (Tiffin School, Kingston) | 51.1 | | | | | 5 | | M Georgiou | (Tiffin School, Kingston) | 57.2 | | | | |
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