If the temperatures are dropping near you, you may want to take your running routine back indoors. Don't dread the treadmill! Keep things fresh with these pyramid intervals: instead of running at one steady pace, setting little goals and pushing your limits will help keep you motivated through the whole workout. This 45-minute plan is the perfect cardio workout to help incorporate intervals into your gym routine — a great weight-loss technique to help you reach your healthy goals.
Click here for an image-free printable version of this treadmill interval workout.