Images from the MSD Performance USMTS Mid-American Series at the Longdale Speedway in Longdale, Okla., on Saturday, April 27, 2019.

Images from the inaugural USMTS Salt City Assault featuring the MSD Performance USMTS Mid-American Series at the Kansas State Fairgrounds in Hutchinson, Kan., on Friday, April 26, 2019.

Images from the 8th Annual Sunflower State Showdown featuring the MSD Performance USMTS Mid-American Series at the 81 Speedway in Park City, Kan., on Thursday, April 25, 2019.

Images from the 7th Annual USMTS Cajun Clash at the Ark-La-Tex Speedway in Vivian, La., on Friday, April 12, 2019.

Images from the 7th Annual USMTS Cajun Clash at the Ark-La-Tex Speedway in Vivian, La., on thursday, April 11, 2019.

Images from practice night on Wednesday, April 10, at the Ark-La-Tex Speedway in Vivian, La., as teams prepare for the 7th Annual USMTS Cajun Clash.

Images from the Summit USMTS Southern Series event at the Jackson Motor Speedway in Byram, Miss., on Friday, April 5, 2019.

Images from King of America IX powered by Summit on Saturday, March 23, 2019, at the Humboldt Speedway in Humboldt, Kan.

Images from Richard Mueller's wild crash during second-rounbd qualifying at King of America IX powered by Summit on Friday, March 22, 2019, at the Humboldt Speedway in Humboldt, Kan. The incident also collected Terry Phillips (75). Both drivers walked away.

Images from King of America IX powered by Summit on Friday, March 22, 2019, at the Humboldt Speedway in Humboldt, Kan.