About Us
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.
Youth classes
Our youth class provide a unique and fun class full of challenges. As they try to go through our stations they will build strength, confidence, balance and much more
Adult classes
Sumner Ninja offers a variety of adult training depending on what you are looking for. We offer ninja and spartan training as well as weight lifting and modified personal workouts
Birthday parties
Have a birthday coming up? Sumner Ninja is the best way to spend your special day., full of non stop excitement. Each party consist of 60 minutes of play followed by 30 minutes for food, refreshments, and gifts