The North Face Ultra Trail du Mont Blanc is one of the world's most challenging ultra distance trail races, taking runners through drastic elevation gains and volatile weather conditions. Now entering its 10th year, the race kicks off in Chamonix, France, on Friday, August 31, 2012.
Live From the Ultra Trail du Mont Blanc
Meaghen Brown is in France, reporting from one of the world's most grueling footraces.
Video: The North Face Ultra Trail du Mont Blanc
A mountain race with numerous passages in high altitude, in difficult weather conditions, that requires very good training and a real capacity of personal autonomy.