Three-time NASCAR champion Tony Stewart was hospitalized with a broken leg early Tuesday morning after crashing at a sprint car race in Iowa.

Stewart-Haas Racing spokesman Mike Arning said Stewart sustained a broken right tibia and fibula in a crash at Southern Iowa Speedway in Oskaloosa, Iowa. He was transported to a local hospital by ambulance, where he underwent surgery.

Stewart will miss at least this weekend's NASCAR Sprint Cup race at Watkins Glen; Arning said a replacement has not been named and it's unknown how long Stewart will be out overall. A test scheduled for Tuesday at Atlanta Motor Speedway has also been canceled.

The driver/team owner was leading the 30-lap feature of the Front Row Challenge with five laps remaining when Josh Higday's car spun on Turn 4 and collected the top three cars — Stewart, Tasker Phillips and Tony Shilling.

Track officials said Stewart, 42, was conscious and talking to responders after being placed on a stretcher.

Article Credit-USA Today