The major feature advance we are introducing is the idea of Preferences. Currently we have preferences for Emergency Contact and Notifications. We will be adding Giveaways and Credit Cards (which will be optional). These get stored automatically when a runner registers for a race who asks for any of those things. The next race the runner signs up for we will auto-fill those fields. This will reduce keystrokes and time to register, making mobile registration much easier on RunSignUp.
Here are a variety of screen shots of the pages available from the Runner Profile. Menu options:
Create Own Account from Sub-Account (useful for when your kids grow up and want to register on their own!):