What would you do if your back gave out -- after 100 miles of nonstop running?
What would you do if you were in a tent in the most remote part of the Hebrides, swallowing gnats when you were breathing?
What would you do if you were so injured that you had to re-learn how to walk?
What would you do if you were held hostage for 92 hours, hung upside down and whipped until you bled?
