McEvoy made the final by winning the first semi-final in 48.60 from 16 year - old South Australian Kyle Chalmers who clocked 48.89 .
McEvoy is the defending champion from Queensland who also won his heat .
McEvoy , the defending champion from Queensland who also won his heat , made the final by winning the first semi-final in 48.60 from 16 year - old South Australian Kyle Chalmers who clocked 48.89 .