One of the beautiful things about running is its simplicity. But, as with nearly any activity, it comes with inherent risks that can keep you on your toes. From inattentive drivers on the road to unexpected obstacles on the trail, there are some potential hazards that runners of all backgrounds and skill levels can fall prey to.
"It's important for everyone to use common sense and practice safety," says Nancy Hobbs, founder and executive director of the American Trail Running Association. "Be al