Drivers in the two open-wheel divisions are locked in tight battles with razor-thin margins that will come down to the final night of racing while the leaders in the two full-fendered divisions have simply to wait until Oct. 20 to be crowned USRA national champions.

Steve Jackson and Chase Austin provided the fireworks Thursday night as they notched a pair of thrilling Iron Man Challenge feature wins at the I-35 Speedway in Winston, Mo.

The Iron Man Challenge returns to action this Thursday, Aug. 8, at the I-35 Speedway in Winston, Mo., with both USRA Stock Cars and USRA B-Mods on the racing card.

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.

Trenton Berry of RacinDirt.com talks with I-35 Speedway owner/promoter Mike Johnson Wednesday about his acquisition of the legendary Lakeside Speedway.

An agreement, in principle, has been reached between Marc Olson, owner of Lakeside Speedway, for the sale of the facility to Mike Johnson and Don Marrs.

Trevor Hunt continued to steamroll through the Industrial Material Surplus Iron Man Challenge with his third straight USRA B-Mod victory Thursday night at the I-35 Speedway in Winston, Mo.

Two winners emerged Sunday after two late-race lead changes highlighted the main events for the Industrial Material Surplus Iron Man Challenge event at the I-35 Speedway in Winston, Mo.

Both the USRA Stock Cars and USRA B-Mods will be in action this Sunday, March 25, when the Iron Man Challenge accompanies the USMTS Modifieds to the I-35 Speedway in Winston, Mo., for the Annual Yancy’s Automotive Missouri Meltdown.

Saturday's race at the I-35 Speedway has been moved back one day to Sunday, March 25. The event at the LA Raceway has been postponed until Thursday, April 19.

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 invaded the I-35 Speedway in Winston, Mo., for the second time this season Thursday night with two new winners visiting victory lane at the 3/8-mile dirt oval.