If you are going to be running in cold weather, having a warm up to get you started will help. Here’s a good one to try: Winter Prep Workout from Runner’s World.
It typically takes 5-10 minutes to warm up when you go running. (Some people can take much longer). During those few minutes, I found I am cold and sometimes miserable. This warm up can help reduce the misery of winter running and also help you from getting injured.
Anything that makes winter running easier is worthwhile.
Smart People I Know 