| (1) | 13.9 | Robin Woodland | (Hercules AC) | Motspur Park | 3.07.1954 |
| (2) | 14.4 | James Leslie | (Epsom College) | Motspur Park | 15.06.1968 |
| (3) | 14.5 | John Leach | (Battersea Grammar School) | | 14.05.1958 |
| (4) | 14.6 | P Mitchell | (Epsom & Ewell Harriers) | Tooting Bec | 27.05.1950 |
| | 14.6 | George Tymms | (Surrey AC) | | 14.05.1958 |
| | 14.6 | Chris Day | (Croydon Harriers) | Leyton | 5.09.1962 |
| (7) | 14.7 | P D Rose | (Walton AC) | Hayes | 5.07.1958 |
| | 14.7 | N Noakes | (John Ruskin School, Croydon) | Leyton | 5.09.1962 |
| (9) | 15.0 | R Tallis | (Herne Hill Harriers) | Crystal Palace | 15.06.1968 |
| (10) | 15.1 | J M McAllister | (John Fisher School, Purley) | Enfield | 9.06.1956 |
| | 15.1 | R Buckingham | (John Fisher School, Purley) | Enfield | 4.07.1959 |
| (12) | 15.2 | J Wilkes | (Croydon Harriers) | Leyton | 14.09.1955 |
| | 15.2 | S Roper | (Wimbledon College) | Motspur Park | 28.05.1960 |
| | 15.2 | A Spring | (Wallington County Grammar School) | Motspur Park | 3.06.1961 |
| (15) | 15.4 | Glyn Peckham (U15) | (Epsom & Ewell Harriers) | Motspur Park | 8.06.1968 |
| (16) | 15.5 | M Cisterton | (Kings College School, Wimbledon) | Motspur Park | 28.05.1960 |
| (17) | 15.6 | R Dodkin | (Hercules AC) | Enfield | 9.06.1956 |
| | 15.6 | Ian Morgan | (Epsom College) | Motspur Park | 28.05.1960 |
| | 15.6 | J Warburton | (Surbiton County Grammar School) | Motspur Park | 3.06.1961 |
| (20) | 15.7 | J O Lench | (Battersea Grammar School) | White City, London | 27.04.1957 |
| | 15.7 | J Morgan | (Epsom College) | Motspur Park | 3.06.1961 |
| | 15.7 | J Davies | (Epsom College) | Motspur Park | 3.06.1961 |
| | 15.7 | Alan King | (Whitgift School, Croydon) | Motspur Park | 23.04.1966 |
| | 15.7 | K Johnson | (Dorking St Paul's AC) | Motspur Park | 8.06.1968 |
| (25) | 15.8 | P Moloney | (Wimbledon College) | Hurlingham | 6.07.1957 |
| | 15.8 | S J McCormick | (J Fisher Sch) | Croydon | 17.05.1958 |
| | 15.8 | E Frey | (Wimbledon College) | Motspur Park | 3.06.1961 |
27 athletes with performances of 15.80 or better. |
