wOOt! After I started commuting last summer and got all excited about biking (I have a somewhat obsessive personality), I decided to join my dad in the National 24-Hour Challenge, which he rides every year. My cousin talked me into trying Calvin's as well. I'm pretty much looking at it as an experiment, and going in with no distance goal (though I guess I'll be pretty pissed if I don't break 100. but that would already be my longest ride ever).
Oh, also, the registration form said email confirmation, which I haven't gotten yet. Should I be concerned about that?