RELATED: Starting lineup for Sunday's race
At a Glance
What: STP 500
Where: Martinsville Speedway, .526-mile oval in Martinsville, Va.
Green flag: 2:13 p.m. ET
TV/Radio: FS1, MRN, SiriusXM NASCAR Radio
Forecast: Sunny with a high near 68, according to the National Weather Service. North winds at 5 mph.
National anthem: Martinsville, Bassett and Magna Vista High School Marching Bands
Grand Marshal: Rockmond Dunbar, star of the FOX TV show, "Prison Break"
Race distance: 500 laps, 263 miles
Pit road speed: 30 mph
Caution car speed: 35 mph
Stage lengths: Stage 1 ends on Lap 130. Stage 2 ends on Lap 260. Final stage is scheduled to end on Lap 500.
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