Images from the King of America VII Modified Nationals presented by Summit Racing at the Humboldt Speedway in Humboldt, Kan., Thursday-Saturday, March 23-25, 2017.

Images from the 5th Annual Production Jars Sooner Showdown at the Southern Oklahoma Speedway in Ardmore, Okla., March 9-11, 2017.

Images from the 6th Annual Cajun Clash presented by Horseshoe Bossier City at the Ark-La-Tex Speedway in Vivian, La, on Thursday, Friday and Saturday, March 2-4, 2017.

Images from the Summit Racing USMTS Winter Speedweeks events at the Jackson Motor Speedway, Whynot Motorsports Park and Greenville Speedway in Mississippi on Thursday, Friday and Saturday, Feb. 24-26, 2017.

Images from the Summit Racing USMTS Southern Region event at the Shady Oaks Speedway in Goliad, Texas, on Saturday, Feb. 18, 2017.

Images from the Summit Racing USMTS Southern Region event at the Shady Oaks Speedway in Goliad, Texas, on Friday, Feb. 17, 2017.

Images from the Summit Racing USMTS Southern Region event at the Shady Oaks Speedway in Goliad, Texas, on Thursday, Feb. 16, 2017.

Images from the Summit Racing USMTS Southern Region event at the Cotton Bowl Speedway in Paige, Texas, on Saturday, Feb. 11, 2017.

Images from the Summit Racing USMTS Southern Region event at the Cotton Bowl Speedway in Paige, Texas, on Friday, Feb. 10, 2017.

Images from the Summit Racing USMTS Southern Region event at the Cotton Bowl Speedway in Paige, Texas, on Thursday, Feb. 9, 2017.