Childress Racing crew chief Luke Lambert watches his Number 31 car during qualifying for the Coca-Cola 600 at Charlotte Motor Speedway.

Harrison Rhodes drives the NC State Number 97 Camaro in the Xfinity race at Charlotte Motor Speedway.

Harrison Rhodes (center) chats with another driver and a member of his pit crew as they await the start of the race.

Childress Racing crew chief Justin Alexander watches his Number 27 car during qualifying for the Coca-Cola 600 at Charlotte Motor Speedway.

Driver Harrison Rhodes makes a lap in his Number 97 Camaro around Charlotte Motor Speedway.

Driver Harrison Rhodes makes a lap in his Number 97 Camaro around Charlotte Motor Speedway.

Biomedical Campus in Kannapolis. Photo by Roger Winstead