Interstate Racing Association

Friday Portion of the Jackson Nationals Rained Out; Saturday Still On

With heavy rain moving through the area overnight and storms projected throughout Friday, Jackson Motorplex officials have been forced to cancel the Tweeter Memorial presented by US Powertrain, which was scheduled to serve as the opening round of the 48th annual Bank Midwest Jackson Nationals.

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Bank Midwest Jackson Nationals Wrapping Up Jackson Motorplex Season This Weekend

The Jackson Motorplex racing season concludes this weekend with the 48th annual Bank Midwest Jackson Nationals. The Cressman Sanitation Midwest 410 Sprint Touring Series and Bumper to Bumper IRA Outlaw Sprint Series as well as the Heser Auto & Detailing RaceSaver Sprint Cars and MedStar Midwest Sprint Touring Series RaceSavers will race this Friday and Saturday with extra money on the line.

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Colby Copeland won the winged 360 sprint car feature Sunday night at Calistoga Speedway. (Serena Dalhamer Photo)

Feature Winners: Sunday, September 6, 2026

Feature winners from Sunday, September 6, 2026…

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Thiel Wins IRA Feature at Sturgeon Bay

Scotty Thiel reuturned to victory lane with the Auto Valuer/Bumper to Bumper Interstate Racing Association Sunday night at the Hill Raceway.

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Feature Winners: Saturday, September 5, 2026

Feature winners from Saturday, September 5, 2026…

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Travis Arenz Wins IRA Feature at 141 Speedway

Travis Arenz was victorious Saturday night with the Auto Value/Bumper to Bumper Interstate Racing Association at 141 Speedway.

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Brett Combs won the 305 sprint car feature Friday night at Doe Run Raceway. (Mark Funderburk Photo)

Feature Winners From Friday, September 4, 2026

Feature winners from Friday, September 4, 2026….

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_Front Page News

IRA Rained Out at the Dodge County Fairgrounds

The Auto Value/Bumper to Bumper Interstate Racing Association event scheduled for Friday at the Dodge County Fairgrounds was rained out.

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The parade lap for the IRA Sprint Cars at Jacksonville Speedway with Paul Nienhiser (#9), Joe B Miller (#51), Riley Goodno (#22), and Travis Arenz (#25). (Mark Funderburk Photo)

Photo Gallery: IRA at Jacksonville

Images from the Auto Value/Bumper to Bumper Interstate Racing Association Friday at Jacksonville Speedway courtesy of Mark Funderburk.

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Landon Miner won the 305 sprint car feature Friday at Jacksonville Speedway. (Mark Funderburk Photo)

Feature Winners: Friday, August 28, 2026

Feature winners from Friday, August 28, 2026…

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Paul Nienhiser celebrates after winning the IRA Sprint Car Series feature at Jacksonville Speedway. (Mark Funderburk Photo)

Nienhiser Flies to IRA Feature Victory at Jacksonville

Paul Nienhiser did not let an off track excursion or a green/white/checkered finish keep him from winning the Auto Value/Bumper to Bumper Interstate Racing Association feature event Friday night at Jacksonville Speedway.

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