Bobby is a fourth-generation stock car racing driver, being the eldest son/child of Kerry Earnhardt, the eldest grandchild of NASCAR Hall of Fame driver Dale Earnhardt, and the eldest great-grandchild of Ralph Earnhardt. He is also the older brother of Jeffrey Earnhardt and the nephew of Dale Earnhardt Jr.

Bobby Dale raced in the ARCA Truck Series from 2013 to 2016, where he won Rookie of the Year in 2013. In 2017, he made his major stock car debut in the ARCA Racing Series, driving the No. 3 Chevrolet for Hixson Motorsports. That same year Bobby Dale made his NASCAR Xfinity Series debut in the No. 40 Chevrolet for MBM Motorsports at Richmond International Raceway Bobby is a family man with a loving wife and 2 children.