Sumner Ninja is Seattle‘s premier ninja warrior training facility located just 30 minutes from Downtown Seattle, in Auburn WA. We excel in American Ninja Warrior and Obstacle Course Racing training and are dedicated to providing a challenging and unique workout for all. We provide customized workouts for personal skill level, or a fun and challenging environment for your child(ren). From youth to adult, ninja training to obstacle course training Sumner Ninja is the place for you.
