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7h ago

Mayer Triumphs in Xfinity Race; Briscoe Secures Cup Pole as Busch Crashes in Practice

Sunday’s Iowa Corn 350 will see pole-sitter Chase Briscoe lead the field with Kyle Busch relegated to the back in an untested backup car

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Photo by Ron Olds for SpeedwayMedia.com
Chase Briscoe, driver of the No. 19 Bass Pro Shops Toyota after winning the pole award for the NASCAR Cup Series Iowa Corn 350 Powered by Ethanol at Iowa Speedway on August 02, 2025. (Photo by Meg Oliphant/Getty Images)
Photo by Jonathan Bachman/Getty Images

Overview

  • Sam Mayer capitalized on a late restart to win the Hy-Vee Perks 250, marking his first Xfinity victory of 2025 and his second straight triumph at Iowa Speedway.
  • The victory delivers Haas Factory Team its inaugural Xfinity win of the season and locks Mayer into the playoff field.
  • Chase Briscoe turned a 23.004-second lap at 136.933 mph to claim his sixth NASCAR Cup Series pole of 2025 for tomorrow’s Iowa Corn 350.
  • Kyle Busch walked away uninjured after a heavy practice crash into the outside wall and will start Sunday’s Cup race from the rear in an untested backup car.
  • The three-day NASCAR tripleheader wraps up Sunday at 3:30 p.m. ET with the Iowa Corn 350 on USA Network, concluding the ARCA–Xfinity–Cup weekend at Iowa Speedway.