Justin Allgaier won his first NASCAR Xfinity season championship Saturday night at Phoenix Raceway, making a stunning comeback after falling a lap down midway through the race.

Justin Allgaier shares his raw emotions after winning his first NASCAR Xfinity Series title at Phoenix Raceway.

Justin Allgaier has come up one spot short of a championship twice, most recently last year when he lost to Cole Custer in overtime at Phoenix. This year, with the odds repeatedly stacked against him,

After 471 races and 14 full-time seasons in the NASCAR Xfinity Series, Justin Allgaier can finally call himself champion. The 38-year-old Allgaier and No. 7 JR Motorsports driver was first to the start/finish line on Saturday evening in the Xfinity Series finale,