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2025 Sober or Slammer 200 crew chiefs Previous race results / Next race results                         Post IROC race number 19 of 25 Saturday, August 30, 2025 at Darlington Raceway, Darlington, SC 147 laps on a 1.366 mile paved track (200.802 miles) Time of race: 1:39:09 Average speed: 121.514 mph Pole speed: 167.705 mph Cautions: 3 for 19 laps Margin of victory: .766 sec Attendance: n/a Lead changes: 9 Glossary    2025 IROC results   /   2025 standings

Crew Chiefs for this race: Nbr Driver Owner Car Crew Chief A note about crew chief data:   Crew chief data has been compiled from various sources and is unverified in some cases.  If you find an error or can fill in missing data please contact us.   Thanks!