American Ninja Worrior

Matthew Hayward / NBC

It has been a great year for Iowa ninjas, at least five Iowans competed on NBC's  American Ninja Warrior.  Three athletes who train at Ninja U, an American Ninja Warrior gym in Cedar Falls, qualified for this year's competition. Christi Marie is a PE teacher in Waterloo who made it to the second round of the competition. Jackson Twait, a student at the University of Northern Iowa, also made it to the second round of competition and Scott Behrends, co-owner of Ninja U, will appear in the finals filmed in Las Vegas.