Time trial win hardest ever - Martin

Germany's Tony Martin says the men's time trial at the World Road Cycling Championships was the "hardest ever".

Martin defended his title and finished 5.37 seconds ahead of America's Taylor Phinney in 58 minutes 38.76 seconds, with Belarusian Vasil Kiryienka third.

The Olympic silver medallist adds that the win tops off an "unbelievable" week.

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