King of America X - Ten Years of History

King of America X powered by Summit takes place Thursday-Saturday, March 26-28, at the Humboldt Speedway in Humboldt, Kan. A top prize of $10,000 awaits the winner of the crown jewel event for the Summit USMTS National Championship fueled by Casey�s while the USRA B-Mod champ will take home $3,000. Past champions include Kelly Shryock (2011), Stormy Scott (2012), Ryan Gustin (2013), Rodney Sanders (2014), Jason Hughes (2015), Zack VanderBeek (2016), Ryan Gustin (2017), Lucas Schott (2018) and Ricky Thornton Jr. (2019).