USMTS Casey's Cup Modified feature during the 2nd Annual "Cage Match" at the Atchison County Raceway in Atchison, Kan., on Thursday, April 20, 2017. …

In-car video featuring Johnny Scott, Zack VanderBeek and others during the 2nd Annual USMTS "Cage Match" at the Atchison County Raceway in Atchison, Kan., on Thursday, April 20. 20 …

Flag-to-flag video coverage of the 70-lap, $10,000-to-win USMTS Modified championship main event from the King of America VII Modified Nationals presented by Summit Racing at the H …

Set for March 23-25, the nation’s best dirt modified drivers will invade the Humboldt Speedway in Humboldt, Kan., for the King of America VII Modified Nationals presented by Summit …

Race highlights and interviews with the top four finishers--Cade Dillard, Ryan Gustin, Zack VanderBeek and Ricky Thornton Jr.--from the 6th Annual USMTS Cajun Clash at the Ark-La-T …