William Byron held off a charging Paul Menard to win the Lilly Diabetes 250 at Indianapolis Motor Speedway.
It is his third Xfinity win of the season.
Completing the top five were Joey Logano, Elliott Sadler and Cole Custer.
Results, stats for Xfinity Series race at Indianapolis
Published July 22, 2017 02:31 PM
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William Byron becomes the youngest driver to win at Indianapolis Motor Speedway after holding off Paul Menard in the Lilly Diabetes 250.