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Kart Racing U.S.A.
OIRKart Racing U.S.A.
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OIR Vintage Fest Race Test & Tune Day
OIRRacers Test & Tune Day
Featured
VSCDA Ozarks Vintage Festival 2025
OIRVSDA Ozarks Vintage Festival is back in 2025!! A blast from the past seeing vintage racing machines from the 60s, 70s, and 80s go head to head at Ozarks International
$10
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
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