Tanner Gray returns for his second full-time season in the NASCAR Camping World Truck Series in 2021, driving the No. 15 Ford F-150 for David Gilliland Racing. In his rookie season, he earned four top 5, eight top 10 finishes, and an average finish of 16.1. He has also made select starts in the ARCA Menards Series, ARCA East and West Series. Before beginning his career in stock car racing, Gray competed in the Pro Stock division of the NHRA Camping World Drag Racing Series, where he won the Pro Stock championship in 2018, becoming the youngest NHRA champion.