The incident happened in the closing laps of the NASCAR Talladega Nationwide Series event.
The roof was peeled off the car to help aid extrication of McClure, who was placed on a stretcher and taken to University of Alabama Birmingham Medical Center for further evaluation, according to ESPN and the Motor Racing Network who presented media coverage of the event. ESPN reported NASCAR said McClure was taken for evaluation and treatment.
ESPN announcer Allen Bestwick reported being told by NASCAR officials that McClure was talking to safety workers at the scene. MRN reporter Woody Cain said McClure was talking to medical staff while being loaded onto the helicopter.