Kacy Catanzaro Posted on August 6, 2014 by Michele Genthon In the fifth season of American Ninja Warrior, Kacy Catanzaro was the first woman to complete the grueling course. After training for two years, the 5-foot, 100-lb, 24-year old woman thrilled supporters who quick created the hashtag #MightyKacy. AdvertisementShare this article on:TwitterFacebookLike this:Like Loading... Related