NASCAR via Getty ImagesNASCAR Moves Start Time for Saturday Cup Race at Bristol September 15, 2023 NASCAR NASCAR today announced that the NASCAR Cup Series race at Bristol Motor Speedway on Saturday, Sept. 16, will now start at 6:30 p.m. ET – advancing one hour from the original 7:30 p.m. ET start time – due to forecasted inclement weather. The broadcast networks for the Bass Pro Shops Night Race remain unchanged – USA, PRN, and SiriusXM NASCAR Radio. Green flag for the final race of the NASCAR Cup Series Playoffs Round of 16 is scheduled for 6:35 p.m. ET. For tickets to Saturday’s Bass Pro Shops Night Race, visit BristolMotorSpeedway.com. Bristol Motor Speedway parking lots will open at 11 a.m. ET. Grandstand gates will open at 1 p.m. ET and the NASCAR Cup Series garage will open at 2:30 p.m. ET.