The O’Reilly Auto Parts United States Modified Touring Series made a stop at the Knox County Fair in Knoxville, Ill., on Thursday for the Illinois Challenge presented by J&J Steel and 34 Raceway. …

The O’Reilly USMTS returned to the Carriker Ford Southern Iowa Speedway for the fourth time this season on Wednesday night, with six-time defending Series champion Kelly Shryock looking to keep his record perfect this season at the Oskaloosa, Iowa, facility. …

En route from Sioux Falls, S.D. to Cedar Rapids, Iowa, NASCAR driver Kyle Petty and a few of his friends made a stop at the Kum & Go in Clear Lake, Iowa on Thursday, July 28 to pay a visit to O’Reilly USMTS driver Ryan Ruter. …

The month of August kicks off for this week for the stars and cars of the O’Reilly Auto Parts United States Modified Touring Series with four stops in four days at four tracks in three States. More than $60,000 is up for grabs during the 96-hour stint. …

Four nights of racing last week on the O'Reilly USMTS trail saw four top-5 finishes for Al Hejna. …

As Mother Nature turned up the heat in July, Kelly Shryock turned up the heat on his O’Reilly Auto Parts United States Modified Touring Series competitors. …

O’Reilly Auto Parts United States Modified Touring Series results for Saturday, July 23, from the "USMTS Hawkeye Summer Challenge" at Upper Iowa Speedway. …

Results for Friday, July 22, from the "USMTS Gopher Summer Challenge" at Murray County Speedway. …

Results for Thursday, July 21, from the "Weatherton Contracting/KPTH Fox44 50" at Interstate Speedway in Jefferson, S.D. …

The hottest week of the summer found the O’Reilly Auto Parts United States Modified Touring Series at the big, fast half-mile oval at the Crawford County Speedway in Denison, Iowa, on Wednesday. …