The Fast Circuit is, well...a fast circuit. Brief, it brings out the traction and acceleration in cars.
It starts with a good sized main straight, leading into a left hairpin turn one. Then, you have a left handed cinch turn 2 leading onto the similarly long back straight. From there, you come into a right left turns three and four, which spits you out right in front of the tightest turn on the track, the hairpin turn five. That leads you into a right-left-right turns six, seven and eight. Finally a blast down the main straight leaves you at the finish line.