It can be depressing, and it gets dark so early. You just have to get out there. Get yourself moving, get motivated - you just have to brave the cold. But she stresses it's important for beginners to start at lower levels of intensity and duration, and increase their endurance as they progress. Anyone with cardiac, respiratory or circulatory problems should check with their doctor before starting any exercise program, she says.
Enthusiasts say the key to exercising outdoors in winter is to dress in layers.
That way, when your body temperature rises, you can remove things as you go. For example, if it's 20 degrees Fahrenheit outside, dress as if it's 30, she says. When you start out, you don't want to be warm, she says. You should be a little bit uncomfortable to start, because you're going to be sweating by the end. Whidden recommends polypropylene or Lycra leggings and a polypropylene top.