It's rainy, cold, and dark outside and it seems almost impossible to get out of bed in the morning to work out. The days are shorter and the temperatures are dropping. Your bike trainer and treadmill are your new friends. Swimming doesn't seem too exciting, especially since the air temperature is chilly even though the pool is heated. These are some obstacles every athlete faces, especially if you live somewhere like Michigan or New York in the winter months. Even here in Tex