AVONDALE, Ariz. — Saturday night, under the bright lights of the Phoenix Raceway, Justin Allgaier finally found the peak of the mountain he has climbed so long. Justin Allgaier is a NASCAR Xfinity Series champion. MORE: Allgaier wins title | Champ race recap Every bit of his journey to the 2024 title was Allgaier-esque, too. […]