Some people don't have a treadmill or don't like running on them. Any of you in Buffalo or places like that ran in the hallways of your apartment, for example, or somewhere else because it was just to bad outside? I have run in bad snow myself, but l am talking many feet of snow and ice all over. It's probably a little slower in most cases inside but if you're just running an easy run you are probably still getting in the same effort.