Assertion: speedway's series race | /r/UsedFor | 500 laps
Facets:
Source sentences:
text: Both NASCAR Cup Series races held at Bristol are for 500 laps; the spring race (historically a day race; however, the 2006 race ended under nighttime conditions because of Standard Time and the late afternoon start) is sponsored by area grocery chain Food City and considered one of NASCAR's top 10 annual races.