William Byron saves enough fuel to win caution-filled NASCAR Cup race at Iowa

After a lack of fuel cost him the win at Michigan, William Byron has made up for it by stretching a single fuel tank 144 laps to win the NASCAR Cup race at Iowa.
With the help of a caution-filled final stage, and rivals who themselves each faltered in the closing laps, Byron’s Hail Mary play to stay out at all costs earned Byron and the 24 team its second win of the 2025 season.
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