This weekend is the Island Resort and Casino Off-Road Rumble in the U.P. presented by Race-Driven KTM at Bark River International Raceway. AMSOIL Championship Off-Road presented by the U.S. Air Force warmly welcomes back a number of racers to the circuit, including a few high-profile season debuts. PRO4 Jimmy Henderson Kyle Chaney Cole Mamer Andrew Carlson Johnny Holtger adrian Cenni …
