The registration form can be setup with custom text appearing in various places within the registration process.
The text customisation is setup in the dashboard:
Setup > Event > Text Customisation
The text customisation options are:
Sidebar Text
Category Header Text
Promo Text
Landing Page Text
Confirmation Page Text
Facebook Post Text
Race Name
Hide Register Someone else
Show the discount codes box more prominently
Entrant Category Change Message
Entrant Withdraw Message
Entrant Transfer Message