<p>Here, Maggi Thorne shows off just how fit she is by running on not one treadmill but seven!</p><p>Maggi informed Storyful that she was training for a number of competitions including Team Ninja Warrior and in the past has participated in competitions such as NBC’s Spartan Ultimate Team Challenge. The video was originally posted on Instagram</a>, where it has been seen over 155,000 times. Credit: nvr_gvup via Storyful</p><br />
