Our Open Gyms provide full access to all obstacles in the Ninja Gym in an unstructured format that is free from instruction. 

This free exploration time allows you to practice your favorite skills from class, learn a new obstacle with the assistance of our experienced coaches or other athletes or just come out and have some fun. Every athlete from beginners to more advanced are encouraged to train and socialize together to foster a community.

Age Groups:

Tots - 5 & under - offered Tuesday & Thursday mornings - CLICK HERE for more information on Tots Open Gym


All ages - perfect for families and athletes of all ages

13+ - perfect for individuals or groups of friends

CLICK HERE to view schedule 

For more information:


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2311 West 15th Street

Erie, PA 16505

© 2020 by Sinai Sports, LLC


** CLEAN, CLOSED-TOE & CLOSED-BACK SNEAKERS MUST be worn while using the ninja equipment or on the gym floor!**

NO  crocs, sandals, flip-flops, boots, dress shoes, heeled-shoes, etc. are allowed while using the equipment or on the gym floor