Youth from around the St. Louis region will have the opportunity to train with nine competitors from the hit television show American Ninja Warriors at Ultimate Ninjas St. Louis Pro Camp. Participants will receive 2.5 hours of training with some of the best ninjas in the world, watch ninjas take on the obstacles, get autographs and ask questions about the show. **Youth who are registered by November 18 will be entered to win four free classes at Ultimate Ninjas, which begin December 3. Participants must be six years old or older. Confirmed American Ninja Warriors at Ultimate Ninjas St. Louis Pro Camp are Grant McCartney (Island Ninja), Jake Murray, Jesse "Flex" Labreck, Kirsti Pratt (The Machine), Michael Torres, Chris DiGangi, Brian Redard (Ultimate Beastmaster), Mike Silenzi (The Stallion) and Ethan Swanson (The Daredevil). Ultimate Ninjas St. Louis offers the authentic American Ninja Warrior experience with obstacles identical to the show, including the jumping spider, salmon ladder and a four-level warped wall. Ultimate Ninjas St. Louis offers open gym, kids obstacle course training classes, birthday parties, corporate team building, private events and also ultiFIT, unique adult fitness classes that incorporate High Intensity Interval Training (HIIT) as well as obstacle course training.