In order to use TriSignup, your browser must accept cookies. Otherwise, you will not be able to register for races or use other functionality of the website. However, your browser doesn't appear to allow cookies by default.
If you still see this message after clicking the link, then your browser settings are likely set to not allow cookies. Please try enabling cookies. You can find instructions at https://www.whatismybrowser.com/guides/how-to-enable-cookies/auto.
To adjust parts of your registration such as category, navigate to Profile > Upcoming Events > Manage Registration > Questions on left hand side.
To transfer to another event such as aquabike, aquathlon or relay team, navigate to Profile > Upcoming Events > Manage Registration > Transfer Event.