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.

The Iron Man Challenge made its maiden voyage to the Fairmont Raceway Wednesday night with two new winners sharing the spotlight in victory lane.

A season-long struggle for supremacy will culminate this week with the final pair of events for the Iron Man Challenge featuring USRA Karl Chevrolet Stock Cars and USRA Karl Performance Parts B-Mods.

In just eight days, two new champions of the USRA Iron Man Challenge will emerge. With the final four events of the 2011 campaign between now and then, the racing action will be boiling hot as the USRA Karl Chevrolet Stock Car and USRA Karl Performance Parts B-Mod drivers battle it out for this year’s titles.

The Iron Man Challenge featuring USRA Karl Chevrolet Stock Cars and USRA Karl Performance Parts B-Mods will be a part of the program with the USMTS Modifieds on Wednesday, Aug. 31, at the Fairmont Raceway.

As the heat of summer approaches, more than 1,000 drivers are engaged in the battle for the USRA Casey's General Stores Weekly Series national championship, with title chases heating up in all four USRA-sanctioned classes.

As the heat of summer approaches, more than 1,000 drivers are engaged in the battle for the USRA Casey's General Stores Weekly Series national championship, with title chases heating up in all four USRA-sanctioned classes.

Due to regrettable, unforeseen circumstances the BST Modified Series portion of tomorrow night's great racing at Big Country Speedway in Cheyenne, Wyo., has been canceled.