"Olympian and National Champion Runner Carrie Tollefson, alongside fitness expert Chris Freytag, brings you the Zero Runner from Octane Fitness. The first of it kind, the Zero Runner offers a completely unique zero-impact running experience. Use the Zero Runner to change how you train. Use it to avoid injury, use it for supplemental miles, use the Zero Runner for active recovery days, or build strength and flexibility by cross training with the Zero Runner."