Campeonato de carreras sobre lodo en Francia

Participants compete in the "The Mud day challenge", a 13-kilometer obstacles course, on September 21, 2013 in Beynes near Paris, France. AFP PHOTO / KENZO TRIBOUILLARD

A man competes in "The Mud day challenge", a 13-kilometer obstacles course, on September 21, 2013 in Beynes near Paris, France. AFP PHOTO / KENZO TRIBOUILLARD

A woman competes in "The Mud day challenge", a 13-kilometer obstacles course, on September 21, 2013 in Beynes near Paris, France. AFP PHOTO / KENZO TRIBOUILLARD

MUD-15. Paris (France), 21/09/2013.- Competitors overcome an obstacle during the first Mud Day to be organized in France on a military base in the city of Beynes, France, 21 September 2013. Around 13,000 participants are expected in the event, where competitors have to run a muddy 13 km distance overcoming more than 20 different obstacles. EFE/EPA/ETIENNE LAURENT

MUD-51. Paris (France), 21/09/2013.- A competitors cheers at the arrival of the first Mud Day to be organized in France on a military base in the city of Beynes, France, 21 September 2013. Around 13,000 participants are expected in the event, where competitors have to run a muddy 13 km distance overcoming more than 20 different obstacles. EFE/EPA/ETIENNE LAURENT

MUD-34. Paris (France), 21/09/2013.- Competitors overcome an obstacle during the first Mud Day to be organized in France on a military base in the city of Beynes, France, 21 September 2013. Around 13,000 participants are expected in the event, where competitors have to run a muddy 13 km distance overcoming more than 20 different obstacles. EFE/EPA/ETIENNE LAURENT

Participants compete in "The Mud day challenge", a 13-kilometer obstacles course, on September 21, 2013 in Beynes near Paris, France. AFP PHOTO / KENZO TRIBOUILLARD

Participants compete in "The Mud day challenge", a 13-kilometer obstacles course, on September 21, 2013 in Beynes near Paris, France. AFP PHOTO / KENZO TRIBOUILLARD

A man competes in "The Mud day challenge", a 13-kilometer obstacles course, on September 21, 2013 in Beynes near Paris, France. AFP PHOTO / KENZO TRIBOUILLARD

Participants compete in the "The Mud day challenge", a 13-kilometer obstacles course, on September 21, 2013 in Beynes near Paris, France. AFP PHOTO / KENZO TRIBOUILLARD

Participants compete in the "The Mud day challenge", a 13-kilometer obstacles course, on September 21, 2013 in Beynes near Paris, France. AFP PHOTO / KENZO TRIBOUILLARD

Participants compete in the "The Mud day challenge", a 13-kilometer obstacles course, on September 21, 2013 in Beynes near Paris, France. AFP PHOTO / KENZO TRIBOUILLARD