I've written a quiz to test your knowledge of the last two legs of the competition. Very few have signed up so far, but I'd like to see more. If you want to spend about 10-15 minutes and compete against other fans of the Amazing Race 4, then trip on over to http://www.quizzle.com/ and sign-up to add yourself to the event.
The quiz runs in real-time, and starts at 10am PDT (sharp). You get points for the most correct answers (based on difficulty of questions)

At very least, it'll be entertaining -- a measurement of how much information you can recall. The categories: The Teams, The Individuals; Details and Destinations;...and more.

At very least, check it out!