After a tense run to the finish in which he needed to both hold Chase Briscoe at bay and save fuel to ensure he'd make it to the checkered flag, William Byron managed to find both the pace and gas he needed to win the Iowa Corn 350 at Iowa Speedway for his second win of the 2025 season. Byron's win is his first since he earned back-to-back Daytona 500 wins in February, and it is also the 15th of his Cup career.

In order to make it to the finish after last pitting at lap 206 of 350, Byron had to go more than 140 laps on a tank of fuel based on his pit strategy, and he had to do it only one week after running out of fuel on the final lap of the Brickyard 400 at Indianapolis. Byron was greatly aided by a rash of mid-race cautions -- the yellow flag flew 12 times in total, which tied Texas in

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