Cost: You'll need a helmet and a $20-$50 entry fee, plus SCCA membership dues ($65-90 depending on the region) if the event is sanctioned by that body.

Race Format: You're trying to set the best time in your class on a course made up of nothing but cones.

Risk of Bodily Harm: Virtually none. You're honesly more likely to be injured driving within the speed limit on a public road.