Just saw this vid on another forum, thought it was pretty insane. Just goes to show the skill involved keeping the thing in a straight line . Click for youtube link..
Now that is awesome! Completely changes your perspective on just how fast these freakin' cars are! I had to watch it three times!!!
That's at Infinion Raceway (the old seers point raceway) just north of San Francisco. I spent two days there of a four day meet back in 2004, got a great collection of pics from there.