William Byron 2025 NASCAR Xfinity Series penalties during races Click on the Race Number to see the complete results for that race. Click on the Site to see this driver's career results at that track. View career statistics for William Byron Glossary     Post Race Site # Lap Flag Infraction Penalty 2025-06 Homestead 24 213 Speeding on pit road Tail end 2025-13 Charlotte 17 94 Speeding on pit road Tail end 2025-18 Chicago 24 69 Commitment line violation Tail end (Went to garage) 2025-29 Charlotte (Road) 24 357 Speeding on pit road Tail end