About Us
Sumner Ninja is Seattle premier ninja warrior training facility. We are located just 30 minutes from Downtown Seattle. Sumner Ninja is just a short drive to train in Spartan, American Ninja warrior and Obstacle Course Racing. We are dedicated to providing a challenging and unique workout and can provide customized workouts for personal skill level. From training for American Ninja Warrior or just trying to get back into shape, Sumner Ninja can help you achieve your work out goals.
Youth classes
Sumner Ninja is providing a great workout for youths as young as 4. Sumner Ninja will challenge your child from working on grip strength to agility training. Ninja Training is a great way to keep your child active and allow them to burn off energy in a safe and exciting way.
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. Your birthday party will be 60 minutes of non stop excitement. Each party consist of 60 minutes of play followed by 30 minutes for food and refreshments