Sportsman: These race cars are completely fabricated from the ground up. Powered by V8 engines and use fiberglass/plastic bodies.
Rules for Sportsman Racing can be found here (You will need Adobe Reader to view the file.)
Track Record for Sportsman: #57 Ken Jorgensen--13.778 seconds set July 18, 2008
Track Record for Arca Challenge: Ryley Seibert--14.122 seconds set August 8, 2011
Track Record for Katana Sportsman: #57 Ken Jorgensen--13.499 seconds set May 9, 2009