Tom Boonen has been riding like an unstoppable freight train all year, and it may have been another freight train that denied him a shot at a successive win in the toughest of all the Spring Classics.

The world champion has been knocking off wins (12 so far this year) almost as fast as some of his fans pound down Belgian beers, but the cobbles of Paris-Roubaix on Sunday became a proving ground for another rising star.

CLICK HERE to play the 2006 Paris-Roubaix Video highlight.