Snapshot: Dover

RELATED: Starting lineup | Full weekend schedule | Summer story lines to watch At a Glance What: AAA 400 Drive for Autism; Monster Energy NASCAR Cup Series Race No. 13 Where: Dover International Speedway, 1-mile oval in Dover, Delaware Green flag: 1:15 p.m. ET TV/Radio: FS1, MRN, SiriusXM NASCAR Radio Forecast: Mostly sunny with high near 80. Chance of thunderstorms Sunday night. - NOAA.gov. National anthem: Cassidy Daniels, Nashville recording artist Grand Marshal: Gordon Ramsay, award-winning chef and TV personality Race distance: 400 laps, 400 miles Pit road speed: 35 mph Caution car speed: 45 mph Stage lengths: Stage 1 ends at Lap 120; Stage 2 ends at Lap 240; Final stage scheduled to end at Lap 400.