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CLASSES & MEMBERSHIPS

Ninja Classes are great for kids who want to learn how to tackle the various obstacles! We work on different obstacles each week building strength, endurance, and confidence. Classes are 55 minutes long, including a warm-up, obstacle coaching/technique, endurance, and free time.

OPEN Gym SCHEDULE: $15 or membership

  • Wednesday: 5-6pm
  • Friday evenings: 6-7pm & 7-8pm
    • Except the 2nd Friday of the month
  • Family Days: 1st Saturday of the month, 1-4pm
    • Your Membership allows you to participate in Family Days at no extra charge.

Tuesday CLASS SCHEDULE:

  • 6-6:55pm: Emerging Ninjas – Ages 6-8
  • 7-7:55pm: Mighty Ninjas – Ages 9-12
  • 8-8:55pm: Master Ninjas – Ages 13-17

homeschool CLASS SCHEDULE:

  • Friday: 1-1:55pm
  • Friday: 2-2:55pm

Fall 2026 Ninja Class enrollment opens August 1st.

8 Week class: $99 $79 per month (Inaugural year discount)

Classes begin September 1st, 2026. One class per week. Includes OPEN GYM every week.

Classes are paid by 8 week enrollment only, with no pro-ration available.


A minimum of 3 Ninjas are required for each class or students may be asked to move to another time. Classes may also run concurrently, each in separate areas of the gym.

Each class is 55 minutes. Please be on time for the start of a class once per week.


Please follow these steps below to register for classes and membership:

STEP 1: CREATE YOUR  PARENT PORTAL LOGIN AND PROFILE BY CLICKING HERE. Add each student as a new member in your parent profile.

WE ONLY ASK THAT YOU FILL IN THE MARKED *REQUIRED FIELDS.

STEP 2: Edit or view existing member information including Guardians, Medical, Household and Emergency Contacts.

STEP 3: ENROLL IN A MEMBERSHIP

SELECT SCHOOL YEAR > BUILDING NINJA 2026 MEMBERSHIP > MEMBERSHIP TYPE: BASED ON AGE

STEP 4: JOIN A PROGRAM

> Select School year: Building Ninja 2026 Membership and select your Site: Building Ninja

> Select Program: choose from your available enrollment options

> Choose from the list of Program Sessions based on dates

READY TO GET STARTED? Click on an option below to Begin registration

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B21 NINJA Class Slides Homeschool

Looking for an Open gym Play membership?

 

Get out all your energy on our obstacle and agility courses! Practice and explore a variety of obstacles, fine tune your skills on a single obstacle, or practice running our customizable courses.

 

Click HERE to find out more about our Open Play options or click on the OPEN GYM MEMBERSHIP ICON to create a parent portal membership login.

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WANT TO GIVE US A TRY FIRST?

 

Purchase a TRIAL PASS and come to a class to see what we're all about. You can jump into the curriculum with the rest of the Ninjas and we'll scale the obstacles to your skill level. Swing with your friends and challenge yourself on different obstacles. We think this may be the start of Building Ninja together.

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Stay Connected

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517-889-5103

1288 N Cedar Rd Mason, MI 48854

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