Heat 1: circle track event. However many events you guys think of.
Heat 2: the main event. The Regatta. Race to the north pole, grab one of the little flags, first one back wins. I was thinking it might inspire some of the zaniness of some bad 80s movie or something.
One Crazy Summer, Regatta
http://www.youtube.com/watch?v=noZWSfoBGbI...feature=related
http://www.youtube.com/watch?v=narivgYQJVE...feature=related