William McComas Byron Jr. is an American professional stock car racing driver. He competes full-time in the NASCAR Cup Series, driving the No. 24 Chevrolet Camaro ZL1 for Hendrick Motorsports and part-time in the NASCAR Xfinity Series, driving the No. 17 Chevrolet Camaro for the same team. He won the 2015 NASCAR K&N Pro Series East Championship and the Sunoco Rookie of the Year award in the 2016 NASCAR Camping World Truck Series season. The following season he won both the 2017 NASCAR Xfinity Series Championship and 2017 Sunoco Rookie of the Year. Byron also won the 2018 MENCS Sunoco Rookie of the Year award. He is the 2024 Daytona 500 winner.

Hendrick Motorsports is an American professional auto racing organization that competes in the NASCAR Cup Series. The team was founded in 1984 as All-Star Racing by Rick Hendrick. Hendrick Motorsports has won a NASCAR-record 307 Cup Series races and 14 Cup Series owners and drivers championships to go with three Truck Series owners and drivers titles and one Xfinity Series drivers crown. Additionally, the team has 27 Xfinity Series race wins, 26 Truck Series race wins, and seven ARCA Menards Series race wins.