ELKHART LAKE, Wis. (AP) Michael McDowell won the NASCAR Xfinity Series race at Road America on Saturday, edging Brendan Gaughan following an overtime restart.

McDowell beat Gaughan by 0.534 seconds on an overcast, sometimes misty afternoon at the sprawling road course. The Richard Childress Racing teammates went bumper-to-bumper midway through the last lap before McDowell held on at the finish line.

A regular on NASCAR's top Sprint Cup circuit, McDowell took his first career Xfinity checkered flag.

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Three cautions in a late eight-lap stretch led to several bumps and spin-outs in the field around the 14-turn course. The extra time had crew chiefs fretting about fuel strategy.

McDowell had more than enough, spinning his wheels into a wall at the finish line to burn his tires in a smoky celebration.

Brennan Poole finished third.