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William Byron Wins at Iowa Speedway With 144-Lap Fuel Gamble

A late surge of 12 caution flags created a strategy window for a fuel run that propelled him to the top of the regular-season standings with three races left

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Photo by Ron Olds for SpeedwayMedia.com
Ryan Blaney wins the inaugural Iowa Corn 350 at Iowa Speedway on June 16, 2024.

Overview

  • Byron saved enough fuel to avoid a pit stop over the final 144 laps, leading 141 of 350 circuits en route to his second victory of 2025.
  • Twelve caution flags in the race’s second half split pit strategies and allowed his fuel gamble to succeed.
  • Chase Briscoe finished 1.192 seconds behind in second place while Brad Keselowski, despite sweeping the first two stages, settled for third.
  • The victory vaulted Byron 18 points ahead of teammate Chase Elliott atop the regular-season standings with three races remaining.
  • With 13 of 16 playoff spots now secured by race winners and top point scorers, three postseason berths remain open as the series heads to Watkins Glen.