NASCAR Revamped Their Schedule For 2020 And That Means A Big Change For Bristol Motor Speedway. The Speedways Second Race Date Of The Year Has Been Moved From Its Spot In August To September 19th Meaning The Monster Energy NASCAR Cup Series Third Playoff Race Will Now Be Run Under The Lights. Other Changes To The Schedule Include Daytona’s July 4th Race Being Moved To The Last Race Of The Regular Season August 29th And Martinsville With The First Race Under Lights On May 9th.