ChampCar Endurance Series

Name: ChampCar Endurance Series Show-Me State Showdown
Start: 2026-11-07T00:00:00-06:00
End: 2026-11-08T23:59:59-06:00
Location: OIR

August 2025
ChampCar Endurance Series Show-Me State Showdown
Featured August 9, 2025 - August 10, 2025

OIR
ChampCar Endurance Series is excited to present the Show-Me State Showdown August 9-10. An endurance racing series for racers without significant prices, or rulebooks to follow. There will be an
$10
November 2026
Show-Me State Showdown Promoter Test Day
November 6 - November 7

OIR
Show-Me State Showdown Promoter Test Day About this event Test day for ChampCar World Series participants Up to 4 drivers included with each registration, additional drivers are $25 each Early registration
ChampCar Endurance Series Show-Me State Showdown
November 7 - November 8

OIR
ChampCar Endurance Series returns for their annual "Show-Me State Showdown" featuring a 7 hour and an 8 hour endurance race.
$10