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icon for NASCAR: Iowa Corn 350 Powered by Ethanol Winner

NASCAR: Iowa Corn 350 Powered by Ethanol Winner

icon for NASCAR: Iowa Corn 350 Powered by Ethanol Winner

NASCAR: Iowa Corn 350 Powered by Ethanol Winner

Ryan Blaney 50%

Darrell Wallace Jr 50%

Noah Gragson 50%

Kyle Larson 50%

Polymarket
NEW

Ryan Blaney 50%

Darrell Wallace Jr 50%

Noah Gragson 50%

Kyle Larson 50%

Polymarket
NEW

Ryan Blaney

$0 Vol.

50%

Darrell Wallace Jr

$0 Vol.

50%

Noah Gragson

$0 Vol.

50%

Kyle Larson

$0 Vol.

50%

William Byron

$0 Vol.

50%

Austin Cindric

$0 Vol.

50%

Zane Smith

$0 Vol.

50%

Ty Gibbs

$0 Vol.

50%

Austin Dillon

$0 Vol.

50%

Ricky Stenhouse Jr

$0 Vol.

50%

Chris Buescher

$0 Vol.

50%

Michael McDowell

$0 Vol.

50%

Daniel Suarez

$0 Vol.

50%

Ross Chastain

$0 Vol.

50%

Cody Ware

$0 Vol.

50%

Alex Bowman

$0 Vol.

50%

Christopher Bell

$0 Vol.

50%

Josh Berry

$0 Vol.

50%

Chase Briscoe

$0 Vol.

50%

Brad Keselowski

$0 Vol.

50%

AJ Allmendinger

$0 Vol.

50%

Denny Hamlin

$0 Vol.

50%

Joey Logano

$0 Vol.

50%

Chase Elliott

$0 Vol.

50%

Ty Dillon

$0 Vol.

50%

Erik Jones

$0 Vol.

50%

Ryan Preece

$0 Vol.

50%

Cole Custer

$0 Vol.

50%

Tyler Reddick

$0 Vol.

50%

John Hunter Nemechek

$0 Vol.

50%

Austin Hill

$0 Vol.

50%

Carson Hocevar

$0 Vol.

50%

Shane Van Gisbergen

$0 Vol.

50%

Connor Zilisch

$0 Vol.

50%

Todd Gilliland

$0 Vol.

50%

Riley Herbst

$0 Vol.

50%

This is a Polymarket on the winner of the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol, scheduled for Aug 9, 2026. If the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol is canceled or rescheduled to a date 7 days after the original scheduled date, this market will resolve to "Other." This market will resolve in favor of the driver who is officially listed in first place in the Official Race Results published by NASCAR following the conclusion of the race. The official results are typically released shortly after the race ends and include any applied penalties and official adjustments. Disqualifications or changes made after the publication of the official results will not affect market resolution. The timing of the victory lane ceremony does not determine the result for this market — only NASCAR's published results will be used to resolve this market. The resolution source will be the official NASCAR website (nascar.com) and a consensus of credible sports news reporting.The NASCAR Iowa Corn 350 at Iowa Speedway features an exceptionally balanced field, with the prediction market pricing a large group of drivers in a tight cluster near 50 percent implied probability. This reflects the 0.875-mile short oval's emphasis on handling, restarts, and short-run speed rather than raw horsepower, allowing a wide range of teams to contend on any given weekend. Recent Cup Series form shows no dominant performer pulling away in points or momentum, while the playoff picture keeps multiple drivers motivated without a clear hierarchy. Track position, tire management, and potential late cautions add further layers of variability that keep outcomes uncertain heading into the event.

This is a Polymarket on the winner of the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol, scheduled for Aug 9, 2026.

If the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol is canceled or rescheduled to a date 7 days after the original scheduled date, this market will resolve to "Other."

This market will resolve in favor of the driver who is officially listed in first place in the Official Race Results published by NASCAR following the conclusion of the race. The official results are typically released shortly after the race ends and include any applied penalties and official adjustments.

Disqualifications or changes made after the publication of the official results will not affect market resolution. The timing of the victory lane ceremony does not determine the result for this market — only NASCAR's published results will be used to resolve this market.

The resolution source will be the official NASCAR website (nascar.com) and a consensus of credible sports news reporting.
Volume
$0
End Date
Aug 16, 2026
Market Opened
Aug 4, 2026, 7:30 AM ET

Resolution Source

https://www.nascar.com
This is a Polymarket on the winner of the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol, scheduled for Aug 9, 2026. If the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol is canceled or rescheduled to a date 7 days after the original scheduled date, this market will resolve to "Other." This market will resolve in favor of the driver who is officially listed in first place in the Official Race Results published by NASCAR following the conclusion of the race. The official results are typically released shortly after the race ends and include any applied penalties and official adjustments. Disqualifications or changes made after the publication of the official results will not affect market resolution. The timing of the victory lane ceremony does not determine the result for this market — only NASCAR's published results will be used to resolve this market. The resolution source will be the official NASCAR website (nascar.com) and a consensus of credible sports news reporting.
This is a Polymarket on the winner of the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol, scheduled for Aug 9, 2026. If the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol is canceled or rescheduled to a date 7 days after the original scheduled date, this market will resolve to "Other." This market will resolve in favor of the driver who is officially listed in first place in the Official Race Results published by NASCAR following the conclusion of the race. The official results are typically released shortly after the race ends and include any applied penalties and official adjustments. Disqualifications or changes made after the publication of the official results will not affect market resolution. The timing of the victory lane ceremony does not determine the result for this market — only NASCAR's published results will be used to resolve this market. The resolution source will be the official NASCAR website (nascar.com) and a consensus of credible sports news reporting.The NASCAR Iowa Corn 350 at Iowa Speedway features an exceptionally balanced field, with the prediction market pricing a large group of drivers in a tight cluster near 50 percent implied probability. This reflects the 0.875-mile short oval's emphasis on handling, restarts, and short-run speed rather than raw horsepower, allowing a wide range of teams to contend on any given weekend. Recent Cup Series form shows no dominant performer pulling away in points or momentum, while the playoff picture keeps multiple drivers motivated without a clear hierarchy. Track position, tire management, and potential late cautions add further layers of variability that keep outcomes uncertain heading into the event.

This is a Polymarket on the winner of the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol, scheduled for Aug 9, 2026.

If the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol is canceled or rescheduled to a date 7 days after the original scheduled date, this market will resolve to "Other."

This market will resolve in favor of the driver who is officially listed in first place in the Official Race Results published by NASCAR following the conclusion of the race. The official results are typically released shortly after the race ends and include any applied penalties and official adjustments.

Disqualifications or changes made after the publication of the official results will not affect market resolution. The timing of the victory lane ceremony does not determine the result for this market — only NASCAR's published results will be used to resolve this market.

The resolution source will be the official NASCAR website (nascar.com) and a consensus of credible sports news reporting.
Volume
$0
End Date
Aug 16, 2026
Market Opened
Aug 4, 2026, 7:30 AM ET

Resolution Source

https://www.nascar.com
This is a Polymarket on the winner of the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol, scheduled for Aug 9, 2026. If the 2026 NASCAR Cup Series Iowa Corn 350 Powered by Ethanol is canceled or rescheduled to a date 7 days after the original scheduled date, this market will resolve to "Other." This market will resolve in favor of the driver who is officially listed in first place in the Official Race Results published by NASCAR following the conclusion of the race. The official results are typically released shortly after the race ends and include any applied penalties and official adjustments. Disqualifications or changes made after the publication of the official results will not affect market resolution. The timing of the victory lane ceremony does not determine the result for this market — only NASCAR's published results will be used to resolve this market. The resolution source will be the official NASCAR website (nascar.com) and a consensus of credible sports news reporting.

Beware of external links.

Frequently Asked Questions

"NASCAR: Iowa Corn 350 Powered by Ethanol Winner" is a prediction market on Polymarket with 36 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Ryan Blaney" at 50%, followed by "Darrell Wallace Jr" at 50%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 50¢ implies that the market collectively assigns a 50% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

"NASCAR: Iowa Corn 350 Powered by Ethanol Winner" is a newly created market on Polymarket, launched on Aug 4, 2026. As an early market, this is your opportunity to be among the first traders to set the odds and establish the market's initial price signals. You can also bookmark this page to track volume and trading activity as the market gains traction over time.

To trade on "NASCAR: Iowa Corn 350 Powered by Ethanol Winner," browse the 36 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "NASCAR: Iowa Corn 350 Powered by Ethanol Winner" is "Ryan Blaney" at 50%, meaning the market assigns a 50% chance to that outcome. The next closest outcome is "Darrell Wallace Jr" at 50%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "NASCAR: Iowa Corn 350 Powered by Ethanol Winner" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.