The 16 - year - old Blackheath and Bromley Harrier shattered his previous lifetime best over 60 metres of 7.37 with a golden 7.12 s performance at Lee Valley Athletics Centre .
A golden 7.12 s performance saw him on top of the rostrum as under - 17 Champion .
The 16 - year - old Blackheath and Bromley Harrier shattered his previous lifetime best over 60 metres of 7.37 with a golden 7.12 s performance , which saw him on top of the rostrum as under - 17 Champion , at Lee Valley Athletics Centre .