NASCAR NASCAR Moves Forward the Start of the 68th Running of the Daytona 500 DAYTONA BEACH, Fla. – NASCAR has made the decision to move forward the start time of The Great American Race, as weather forecasts show a potential threat to racing on Sunday. The DAYTONA 500 now has a start time of 1:30 p.m. ET, and all broadcasting networks remain unchanged (FOX, MRN Radio, SiriusXM NASCAR Radio).