Walking may never become as trendy as CrossFit, as sexy as mud runs or as ego-boosting as Ironman races but for fitness experts who stress daily movement over workouts and an active lifestyle over weekends of warrior games, Walking is a super star.
Source : Reuters.
http://www.reuters.com/article/2014/09/29/us-fitness-walking-idUSKCN0HO0PV20140929