Germany's Tony Martin during the men's road race road cycling at the London Olympics on July 28. For world time trial champion Martin, bidding for Olympic gold risks being a painful experience -- ... more 

Germany's Tony Martin during the men's road race road cycling at the London Olympics on July 28. For world time trial champion Martin, bidding for Olympic gold risks being a painful experience -- especially with the prospect of a Bradley Wiggins triumph lurking in the background less