He admits he is surprised by his performance .
Meanwhile on the infield Jaco Engelbrecht carried the day in men 's shotput with a final heave of 20.00 m .
Jaco Engelbrecht admits Jaco Engelbrecht is surprised by Jaco Engelbrecht 's performance .
Meanwhile on the infield Jaco Engelbrecht carried the day in men 's shotput with a final heave of 20.00 m .