Rod End Suppy Diamond Dirt Duel - USAC Nationals Sprints

For the first time in nearly two decades, the USAC AMSOIL Sprint Car National Championship will be headed back to Wheatland, Missouri's Lucas Oil Speedway on Saturday night, September 6, 2025.

The Rod End Supply Diamond Dirt Duel will be held on Saturday, Sept. 6 with a 30-lap feature paying $6,000 to the winner.

Any support divisions selected to be on the program will be determined at a later date.

General Admission
Adults $28 (13 and up)
Seniors $25 (62 and over & military)
Youth $10 (ages 6-12)
Kids (5 and under) FREE
Family Pass - $70

Pit Pass - $45
(credit/debit card fees will be applied at time of purchase at gates)

CAMPING AVAILABLE: CALL FOR DETAILS.