Wow it is amazing of the several dozens hikers that are killed in the western U.S. alone, it must number in the 100s world wide just in the summer. Add climbers (who are walking) and the number of deaths from powering on two legs (no bike of course) is way over the top.

Rough terrain keeps recovery teams from reaching teacher's body near Bison Peak

http://www.denverpost.com/breakingnews/ci_18733647