Hill survives demolition derby on dirt at Knoxville Raceway

Austin Hill smiles after winning the NASCAR Truck Series auto race Friday, July 9, 2021, on the dirt at Knoxville Raceway in Knoxville, Iowa. (Joseph Cress/Iowa City Press-Citizen via AP)

Austin Hill tries to do a burnout after winning the NASCAR Truck Series auto race on the dirt Friday, July 9, 2021, at Knoxville Raceway in Knoxville, Iowa. (Joseph Cress/Iowa City Press-Citizen via AP)

Austin Hill, top center, celebrates with the team after winning the NASCAR Truck Series auto race Friday, July 9, 2021, at Knoxville Raceway in Knoxville, Iowa. (Joseph Cress/Iowa City Press-Citizen via AP)

Austin Hill crosses the finish line to win the NASCAR Truck Series auto race Friday, July 9, 2021, at Knoxville Raceway in Knoxville, Iowa. (Joseph Cress/Iowa City Press-Citizen via AP)