Rodopi Mountains National Park, Greece
Rodopi Ultra Trail (ROUT), is a tough adventure footrace strictly for experienced runners who compete in semi-autonomy conditions a distance of 164 kilometers (100 miles) running or walking along abandoned paths and trails through the tremendous scenery of the Rodopi Mountains National Park in Northern Greece, renowned for its unique wilderness.


http://www.youtube.com/watch?v=xdG9TvnYV_E