The Red Bull AMA Amateur National Motocross Championships at Loretta Lynn's kicked off for the first day of racing and MX SportsCenter was there to cover the 450A class where Justin Bogle started the week with a victory. 450B Stock saw Cole Thompson begin his quest for a championship with Justin Hoeft taking victory in 85 (12-14) Stock and Garrett Marchbanks securing the number one position in 65 (7-11) Modified.