| New to Boston Athletic Club, Building Active Children? | | Registered or taken Boston Athletic Club, Building Active Children classes before? | | Already have a password to Boston Athletic Club, Building Active Children? |
| If you haven't registered or taken classes at Boston Athletic Club, Building Active Children before, you'll need to register here first. Registration is fast and allows you to enroll in classes on-line and view your account. 
|  | To be able to enroll in classes and view your account, we need to set up a password for your existing Boston Athletic Club, Building Active Children account. If you've given us your e-mail address before, try the Forgot your password link. If not, please contact the office to set your Boston Athletic Club, Building Active Children password: E-mail: kids@bostonathleticclub.com Phone: 617-269-4300 |  | Forgot your password? |