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NASA MidAmerica Ozarks Grand Prix & Regional Champs
OIRNASA MidAmerica season finale is once again at OIR with the Ozarks Grand Prix & Regional Championships. Dates: October 18-19, 2025
$10
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PSI Motorsports 4 Track Days
OIRPSI Motorsports stop 4 is their final time to get on track in the 2025 season. Don't miss out on some great track time opportunity.
$10
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The NASA 25 Hours at Ozarks International Raceway
The 25 is back in 2025!! Ozarks International Raceway in partnership with NASA MidAmerica, and the National Auto Sport Association come together to announce that OIR is the new home