Ultimate Ninjas St. Louis, located in Chesterfield, MO, offers a variety of fitness programs and activities for kids and adults. They provide kids fitness classes that focus on building confidence, agility, and overcoming obstacles. These classes are led by American Ninja Warriors who train to conquer the same obstacles seen on the NBC show American Ninja Warrior. Ultimate Ninjas also offers open gym sessions for families to enjoy a fun and challenging evening of ninja training. In addition, they host birthday parties that include indoor obstacle courses and a private party room. For adults, Ultimate Ninjas St. Louis offers adult fitness classes and UNAA competitions. Overall, Ultimate Ninjas St. Louis provides a unique and engaging environment for individuals of all ages to have fun, get fit, and challenge themselves.