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. …

Corey Dripps Racing (CDR) and Rob Jorgenson Racing have ended their racing relationship. This has forced CDR to make some quick moves to stay on the track. …

Fresh off of a full week of competition under the July sun, the summer will heat up even more this week for the stars and cars of the O’Reilly Auto Parts United States Modified Touring Series with a grueling four-day trek through three States. …

Six-time defending O’Reilly Auto Parts United States Modified Touring Series champion Kelly Shryock of Fertile, Iowa, picked up his third win in four races with a thrilling victory at the Cresco Speedway. …

The final night of the 27th Annual Kemna-Asa Auto Plaza Jackson Nationals wrapped up with some great racing action on yet another warm and muggy night. …

Tommy Myer of Blooming Prairie, Minn., started third in the USRA Modified main event and held off Kanawha, Iowa's Ryan Ruter to score the $1,000 win. …

Al Hejna passed Ryan Ruter of Kanawha with 16 laps remaining and never relinquished the lead as he pocketed the win and the $2,000 winning purse. …