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2025 Window World 250 crew chiefs Previous race results / Next race results                         Post IROC race number 10 of 25 Saturday, May 17, 2025 at North Wilkesboro Speedway, North Wilkesboro, NC 250 laps* on a 0.625 mile paved track (156.250 miles) Time of race: 1:45:33 Average speed: 90.597 mph Pole speed: no time trials Cautions: 6 for 42 laps Margin of victory: under Attendance: n/a Lead changes: 7 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!