Below is the video I made for the Ragnar Relay contest. Wendy's should be up soon and I will pass along a link to hers as well. A larger version can be found on the Ragnar website.
Oh, and an Ultra team is 6 runners instead of 12.
UPDATE - Here is Wendy's version:
If either don't play here, you can find them on YouTube - Sean's, Wendy's. They seem to work best when you select "high quality" below the videos.