SPEEDWAY, Ind - The Lilly Diabetes 250 NASCAR Xfinity Race in 2018 will be a memorable one for Justin Allgaier. The Riverton native grabs his 5th checkered flag of the season, third in the last five races and 10th of his career. Holding off his teammate Tyler Reddick, Allgaier leads the current series standings. Allgaier very emotional following the win at the Brickyard, thanking his dad for all the hard work. There's just one race remaining prior to the cutoff for the Series Playoffs as Allgaier closes in on a regular season title.