US MAJOR TOUR MARCH 25-26, 2023
Sanction Number: 232-M-59394
GROUP 1: Big Bore Closed Wheel
SATURDAY • SUNDAY
GROUP 2: Big Bore Open Wheel
SATURDAY • SUNDAY
GROUP 3: Small DOT Closed Wheel
SATURDAY • SUNDAY
GROUP 4: SRF/SRF3
SATURDAY • SUNDAY
GROUP 5: SM/SSM/Spec MX-5
SATURDAY • SUNDAY
GROUP 6: Small Bore Slicks Closed Wheel
SATURDAY • SUNDAY
GROUP 7: Small Bore Open Wheel
SATURDAY • SUNDAY
TRACK RECORDS: Buttonwillow Raceway Park 14CCW