Below are instructions for team captain to update his team password from after logging into and accessing My Events at 

Note: Team captain can only update team password when the team is private
Note: If the captain registered via RegCenter, he will need to login here first in order to change password as follows
  1. Find related event and click Manage My Team
  2. In TEAM INFORMATION field, click Edit 
  3. In Team Password field, enter correct password
  4. Click Save