They made the making of rat race here? huh?
http://www.imdb.com/title/tt0345615/
edit: upon further investigation into this important matter that is delaying the completion of my lab report, I have determined that the coin toss scene was filmed before a stampeders game... and that's it. Talk about an expensive shot, to go from vegas to here and back for one scene.
edit #2: After even futher investigation, I found out I was wrong. They shot here for 6 weeks, and the movie took 14 weeks total to shoot.