You can change your account's gym association any time by editing your profile. For users who are not affiliated with a gym they will create their account and be placed in our public "main site" gym. If you later join a CrossFit affiliate, below are step by step instructions on how to join your affiliate on Beyond The Whiteboard.
First, Edit your profile
Second, click the Change your gym association link
Third, start typing in your gym's name in the text field and select the correct gym from the list. You will then prompted to enter your Member Code. Every Gym has a member code, this can be retrieved from your gym owner/coaches. By Submitting the code, you'll be placed straight into your gym, if you do not know your member code, just select "send request" and your gym owner will need to accept your request.
Once you have joined your gym, you will begin to receive the WODs they assign on a daily basis.