Boom wins, Nibali triumphs, Contador struggles, Froome pulls out

Seven riders at the front

Stage 5 started in the presence of King Philippe of Belgium, former Prime Minister Yves Leterme and Eddy Merckx who flagged off the race and paid tribute to the victims of World War I in Ypres. Soon after the start proper, Samuel Dumoulin (AG2R) accelerated but it was an attack by Rein Taaramäe (Cofidis) that generated the first breakaway. Those two riders were joined by Lieuwe Westra (Astana), Tony Martin (OPQS), Janier Acevedo (Garmin), Tony Gallopin (Lotto), Marcus Burghardt (BMC), Simon Clarke and Matt Hayman (Orica) to make it a nine-man front group. They eventually lost Acevedo due to a crash and Burghardt who was called back by his team to race as a helper for Tejay van Garderen and Greg van Avermaet.

Chris Froome out of the Tour
 
Already affected by a crash in stage 4, defending champion Chris Froome (Sky) went down again at km 29. Escorted by four team-mates, the Brit made his way back to the bunch but that was only one of many crashes on wet and slippery roads even before the race hit the cobblestones sections. He crashed again and called it a quit at km 83, indicating that his right arm was injured.

Nibali wins battle over Contador

After reaching a maximum advantage of 3.05 at km 60, the breakaway riders were chased down by several teams, the most active being Peter Sagan's Cannondale as the race approached the pavés. Several GC contenders like Alejandro Valverde (Movistar) were forced to ride behind the peloton to come across. The second cobbled section at Ennevelin saw Alberto Contador losing contact to the yellow jersey group. Nibali and Sagan together with a dozen of riders caught the remaining breakaway riders with 26km to go.

Nibali strenghtens the race lead

From a group of 15 riders who took the lead with 25km to go and included Nibali, Fuglsang, Westra (Astana), Sagan (Cannondale), Boom, Vanmarcke (Belkin), Kwiatkowski, Renshaw, Trentin (OPQS), Gallopin (Lotto), Cancellara (Trek), Lemoine (Cofidis), Clarke, Hayman and Keukeleire (Orica), Lars Boom marked the flying trio of Astana and rode away solo in the last cobbled section. Nibali made a huge impact on the race and gained almost three minutes over Contador while challengers Andrew Talansky (Garmin), Rui Costa (Lampre), Tejay van Garderen (BMC) and Alejandro Valverde (Movistar) limited the damage at about two minutes, as well as Richie Porte who became the new captain of Team Sky after the sad exit of Chris Froome from the Tour de France.