By Julien Pretot ROUBAIX, France (Reuters) - As Tom Boonen led the way into the Roubaix velodrome on Sunday, a huge roar came from the crowd in anticipation of the Belgian's record-breaking fifth title on the Queen of the Classics. Instead Mathew Hayman, more a domestique than a team leader, outsprinted the former world champion to claim the biggest title of his career in his 15th attempt at the Paris-Roubaix. "Sorry, I won." It was not the scenario that most of the crowd were expecting but Boonen, who won the race in 2005, 2009, 2010 and 2012, had nothing left in the tank after having had to chase down Hayman in the finale following an attack by the Orica-GreenEDGE rider. More...