<p>Australia's James Magnussen has brushed aside months of post-Olympic controversy with the fastest 50 metres freestyle of the year to confirm his blistering form ahead of the world championships in Spain. <br /><br /></p>.<p>On Tuesday, he won the 100 metres freestyle for a third successive national title in 47.53 seconds. On Thursday, he again blew away all competition to claim victory in the shorter sprint in 21.52 seconds - his personal best over 50 metres.</p>
<p>Australia's James Magnussen has brushed aside months of post-Olympic controversy with the fastest 50 metres freestyle of the year to confirm his blistering form ahead of the world championships in Spain. <br /><br /></p>.<p>On Tuesday, he won the 100 metres freestyle for a third successive national title in 47.53 seconds. On Thursday, he again blew away all competition to claim victory in the shorter sprint in 21.52 seconds - his personal best over 50 metres.</p>