Officials from the United States Racing Association have released the 2013 schedule for the USRA Iron Man Challenge featuring USRA Stock Cars and USRA B-Mods.

Josh Bonnstetter of Slayton, Minn., rolled into the winners circle Thursday night as he topped the Industrial Material Surplus Iron Man Challenge main event at Raceway Park in Jefferson, S.D.

The Industrial Material Surplus Iron Man Challenge returns to action with a pair of events this week for the USRA B-Mods as they accompany the USMTS Modifieds to Raceway Park in Jefferson, S.D., on Thursday, July 19, and then cross the border to battle at the Nobles County Speedway in Worthington, Minn., on Sunday, July 22.

Officials from the United States Racing Association have released the 2012 schedule for the popular USRA Iron Man Challenge featuring USRA Karl Chevrolet Stock Cars and USRA Karl Performance Parts B-Mods.