Action Athletics: Boston's Premiere Obstacle Training Gym
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Thanks for a great Spring Session! We can hardly wait to see your kids back in Action in the Fall!
>> Don't forget about our Summer Programs, Open Gyms and Parties! <<

2025-2026 REGISTRATION WILL BE LIVE END OF JULY!

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FALL REGISTRATION TO GO LIVE: 
Wednesday July 30th @ 10:00am
​on Pike13
​

​(all ages)
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FALL REGISTRATION TO GO LIVE: 
Wednesday July 30th @ 10:00am
on Pike13
&
​Level II via Google Form 


(all ages)
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FALL REGISTRATION TO GO LIVE: 
Monday July 28th @ 10:00am 
via Google Form  for ages 4-6 & 6-8

Tuesday July 29th @ 10:00am
​via Pike13 for ages 9+
&
​Level II via Google Form 
(all schedules are subject to change)

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Ninja Kids Class Description

Ninjas learn the fundamentals of movement through ACTION's proven training methodology 
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Each week ninjas will explore different obstacles and movement patterns including swinging, climbing, balance, agility, and parkour. 
Ninjas will gain confidence, get stronger, and learn to overcome obstacles while developing the building blocks of coordination, flexibility, strength, power, and agility.


Classes meet once per week and require a full session commitment.
Once enrolled in a class, ninjas are registered for the entire school year
​with the opportunity to unenroll between sessions.​

Ninja Kids Session Dates

SESSION DATES AND CLASS SCHEDULE
2025-2026 class calendar and schedule will be posted by the END OF JUNE

Class Policies

BILLING
Once registered for the Ninja Kids Program, ninjas are registered through the end of the school year (June  2026), and agree to the following automating billing policy:
  •  Your first session is charged at the time of registration (proration may be applicable). Each subsequent session is automatically charged to your card on file on the first Sunday of the session.
  • If a class falls on a date that we are closed (see calendar below), that class will not be included in the bill for that session.
  • Please make sure credit cards are up to date on your account, as a failed payment attempt may incur additional charges or result in a cancellation of your registration.
MISSED CLASS Policy
An open gym pass will be issued for any missed classes. 
  • Open Gym passes can be used at Open Gyms in any location.  Pre-registration is required. 
  • Open Gym passes cannot be applied to other services and are not transferrable to other ninjas. 
  • Open Gym passes issued for a class absence EXPIRE 2 MONTHS FROM THE DATE OF ISSUE.
CANCELLATION POLICY (UNENROLLMENT AND CLASS CHANGE REQUESTS)
Registration for each session requires a full session commitment. Cancellations/un-enrollments are not permitted mid-session.

​All un-enrollment requests for the next session must be received by the UNENROLLMENT DEADLINE (to be posted).

To unenroll or request a class change for the next session, fill out the form below.
​​Requests are not accepted via phone calls, voicemail, or email. All un-enrollment and class change requests must be communicated using the un-enrollment form.​

UNENROLLMENT REQUEST for next session
CLOSINGS/CANCELLED CLASS
If Action Athletics cancels class (due to snow, or other unforeseen circumstance), the class will be credited in your next billing cycle. All cancellations and class updates are communicated via email and posted on the website. ​

About Us

We are Boston's premiere obstacle and personal training studio. We have an ever-growing number of obstacles designed by real American Ninja Warriors. Our courses are constantly changing and limited only by the imagination of our coaches and athletes. At Action Athletics, limitations are temporary and impossible is just a suggestion. Beginners, seasoned athletes, kids, American Ninja Warriors, and obstacle course racers all train at Action Athletics.

Contact Us

Phone: 617.916.9957 - or - Email: [email protected]
Action Boston
42 Guest Street
Boston, MA 02135
Action Norwood
1400 Providence Highway
Suite 3200
​Norwood, MA 02062

​​Action  Wellesley
475 Washington Street
Wellesley MA, 02482


Connect with Us

  • Home
  • ACTION Summer 2025
    • BOSTON Summer Program
    • NORWOOD Summer Program
    • WELLESLEY Summer Program
  • KIDS
    • Ninja Kids Class Comps
    • 2025-2026 CLASSES
    • OPEN GYMS >
      • BOSTON OPEN GYMS
      • NORWOOD OPEN GYMS
      • WELLESLEY OPEN GYMS
  • ADULTS
  • PARTIES
    • PARTIES & EVENTS - SUMMER
  • FITNESS TRAINING
    • PERSONAL FITNESS TRAINING
    • PRIVATE OBSTACLE TRAINING
  • CAREERS
  • Contact Us
  • Boston Home
  • Norwood Home
  • Wellesley Home