http://www.redbullxalps.com/athletes.html

The Red Bull X-Alps 2013 will be the sixth edition of the world's
toughest adventure race. Athletes must either hike or fly almost 900km across
the Alps from Salzburg to Monaco in the fastest time possible. Every kilometer
must be covered either on foot or flown in a paraglider.

The start date will be July 7th. Exact race schedule to be determined.