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2025 Iowa Corn 350 penalty data Previous race results / Next race results                     Previous at this track     Post NASCAR Cup Series race number 23 of 36 Sunday, August 3, 2025 at Iowa Speedway, Newton, IA 350 laps on a 0.875 mile paved track (306.250 miles) Time of race: 3:17:47 Average speed: 92.905 mph Pole speed: 136.933 mph Cautions: 12 for 72 laps Margin of victory: 1.192 sec Attendance: n/a Lead changes: 10 Green flag passes: 2,861 (10.3 per green flag lap) (Source: NASCAR loop data) Glossary    2025 NASCAR Cup Series results   /   2025 standings

Click on a driver's name to see all his penalties for this year in this series. Pit road penalty data for this race: Nbr Driver Lap Flag Infraction Penalty 48 Alex Bowman 73 Speeding on pit road Tail end 60 Ryan Preece 73 Speeding on pit road Tail end 17 Chris Buescher 224 Equipment Interference Tail end 23 Bubba Wallace 243 Too many men over the wall Tail end 43 Erik Jones 245 Too many men over the wall Tail end 10 Ty Dillon 246 Speeding on pit road Tail end 45 Tyler Reddick 256 Too many men over the wall Tail end

Note: pre-race penalties and penalties for pitting too soon are not included; pre-race penalties are shown on the race results pages and pitting too soon is normally done by choice with the knowledge that a will be incurred.