The last time a Trackspeed1 athlete graced the north London complex , David Bolarinwa set an under - 18 world fastest 100m of 10.39 .
So Powell is hoping his other charges will take up where he left off .
The last time a Trackspeed1 athlete graced the north London complex , David Bolarinwa set an under - 18 world fastest 100m of 10.39 , and so Powell is hoping his other charges will take up where he left off .