I just watched the last 1 hour of a new documentary on Showtime called "Running the Sahara".
On February 20, Charlie, Ray and Kevin [3 of 5]touched the Red Sea, just a few hours before sunset. Their quest had lasted 111 days and taken them through 6 countries: Senegal, Mauritania, Mali, Niger, Libya, and Egypt. By the team's daily GPS record, they had traveled over 4,300 miles (6,920 kilometers). They fought through injury and extreme fatigue to reach their goal, which changed them forever.
THATS 50+ miles a day for 111 days! Thats 170 NYC marathons STRAIGHT!!!!!!!
They did this for the fight for cleaner drinking water in Africa. To donate check here http://www.h20africa.org/
LINK: Running the Sahara