Photos from the rain-shortened Knight III of RacinDirt USMTS King of America XIII on Saturday, April 6, at the Humboldt Speedway in Humboldt, Kan.

Photos from Knight II of RacinDirt USMTS King of America XIII on Friday, April 5, at the Humboldt Speedway in Humboldt, Kan.

Photos from opening night of RacinDirt USMTS King of America XIII on Thursday, April 4, at the Humboldt Speedway in Humboldt, Kan.

Photos from the final night of the 14th Annual USMTS Texas Spring Nationals on Saturday, March 2, at the Rocket Raceway Park in Petty, Texas.

Photos from opening night of the 14th Annual USMTS Texas Spring Nationals on Friday, March 1, at the Rocket Raceway Park in Petty, Texas.

Photos from the final night of the 9th Annual Summit USMTS Winter Nationals on Saturday, Feb. 24, at the Hunt County Raceway in Greenville, Texas.