by Michele Foley
While there's nothing quite like running outdoors, unruly weather sometimes makes it impossible. For those hot, rainy, or blustery days, there's the trusty treadmill. Whether you're a beginner runner or have a few marathons under your belt, we've got a
7 Treadmill Workouts. The 500-Calorie Workout is my favorite!
500 Calorie Treadmill Workout