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Ninja Clinics That Keep Kids Engaged!

Fun obstacle training clinic that will make the summer a blast!
Balancing NinjaSwinging Ninja
Our Location Pin

We're at:

19 Brigham Street, Unit 8 Marlborough, MA 01752

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USA Ninja Challenge Summer Clinics for kids ages 6 - 12!

USA Ninja Challenge offers exciting summer clinics experiences for Marlborough, Massachusetts! Our clinic program focuses on building confidence through fun and fitness. Kids will have the chance to test their limits in a safe environment, navigating obstacles with children their own age.

Ninja summer clinics are the best way to provide a fun week of specific skills training, ninja games, and ninja course creation that will keep you kids engaged day after day!

Make your summer exciting, healthy, and fit! Sign your kids up for multiple weeks!

Clinic and Workshop Schedules:

* Please check the homepage under “Upcoming Events” to stay up-to-date!


Our drop-off clinics offer a morning of fun in an exciting camp environment!  Learn new ninja skills, play games and have lots of FUN! Our clinics will include instruction in all of our Ninja skills and obstacles like the Warped Wall, Devil Steps, Rock Wall, Ropes, Rings, Hanging Ladder and many more. We will also have some down time out of the gym so please pack a snack and a water bottle.


  • Times: 9:00a – 12:00p
  • Ages: 6-12


  • 1-day Clinics : $65.00
  • 3-day Clinics : $170.00
  • 5-day Clinics : $245.00 / $225.00 (public/member)


  • Workshops are 90 minute, small-group sessions that focus on specific obstacle/muscle groups.
  • Each session will consist of drills, conditioning, and level work - all of which is focused on the core skill of that session!  
  • Workshops are $40 / session.  
  • For every workshop your ninja attends, they will earn a free patch signifying which workshop they completed!  
  • These patches are the perfect addition to the BRAND NEW backpacks we are now selling in our shop.

April Break Clinic - Age 6-12

April 15-19th


  • 5-day : $245 / $225 (public/member)
  • Awesome ninja shirts included!

Summer Clinics


  • 5-day : $245 / $225 (public/member)
  • Awesome ninja shirts included!


#1 June 24th to 28th

#2 July 8th to 12th

#3 July 15th to 19th

#4 August 5th to 9th