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Phillips finds pot of gold in Mason City Motor Speedway’s Diamond Jo Casino “All-In 77”
One week ago, Terry Phillips surpassed the two-year anniversary of his last United States Modified Touring Series win. After Sunday night’s race at the Mason City Motor Speedway, there won’t be a third. Phillips experienced his share of bad luck … read more
Whitehurst nips Griffith in thriller while Zieman, Gulbrandson also win in Mason City
If you’re making a list of races of the year at Mason City Motor Speedway, Sunday’s Out-Pace USRA B-Mod feature is on the short list of top contenders. And if you’re creating a list of the best rivalries of the 2018 season at MCMS, Josh Zi … read more
Hafertepe masters Mason City Motor Speedway
Sam Hafertepe Jr. of Sunnyvale, Texas, captured his fifth win of the 2018 season with the Lucas Oil American Sprint Car Series on Sunday night at the Mason City Motor Speedway. … read more
Green takes two, Boumeester nabs number four at Mason City Motor Speedway
The night featured one of the closest finishes in the history of Mason City Motor Speedway. It featured multiple last-lap passes for feature victories. It featured one of the one of the more unique trophy designs you’ll see—this one dedicated … read more
Boumeester doubles up, Green and Hovden both win in Iron Man Challenge affair at Mason City
With three make-up features from the rained-out event on June 17 and a full field of cars, race fans got a heavy dose of racing Sunday night at the Mason City Motor Speedway. … read more
Mason City Motor Speedway back on track
Mother Nature has made weekly races seem more like monthly races this season, but weather struggles were far from present Sunday. Mason City Motor Speedway hosted its second full night of 2018’s Summit USRA Weekly Racing Series, but there should have  … read more
Green, Whitehurst, Willert, Coopman winners in Mason City
More often than not, Derek Green is mild-mannered when he pulls into victory lane. The Holley USRA Stock Car driver from Granada, Minn., wins regularly, so wild celebrations aren't typically part of his DNA. His win Sunday night at Mason City Motor S … read more
Results from Mason City Motor Speedway
Summit USRA Weekly Racing Series results for Sunday, June 24, 2018, from the Mason City Motor Speedway in Mason City, Iowa. … read more
Gulbrandson wins before rain cuts Mason City show short
With heat races for four classes and one feature race in the books, the rain that had threatened off and on all day finally made good on it’s threats and washed out the final three main events of the program Sunday at the Mason City Motor Speedway. In … read more
Mason City Motor Speedway season opener brings new and familiar faces
Outside of money and padding his win total, Ricky Thornton Jr. has a very specific goal when he pulls into Mason City Motor Speedway. “That’s probably the biggest thing about this place… they are always giving stuff away at the drivers me … read more

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Racin' returns to Mason City on Sunday, Sept. 15
A new era begins at the Mason City Motor Speedway this Sunday, September 15, when the historic facility located on the grounds of the North Iowa Fair hosts full-throttle dirt racing for the first time on the new, wide, high-banked 1/3-mile action track. The first on-track competition in more than… watch video

Mason City Motor Speedway Practice 9/8/19
Practice day from the newly configured 1/3-mile Mason City Motor Speedway in Mason City, Iowa. The track, which was shortened from a huge 1/2-mile design, provided a smooth and wide surface with three-wide racing easily performed. The first race is scheduled for Sunday, Sept. 15, featuring American … watch video

Wild Stock Car flip at Mason City Motor Speedway 7/29/18
Holley USRA Stock Car driver Wyatt Medland takes a wild ride during the feature at the Mason City Motor Speedway in Mason City, Iowa, on Sunday, July 29, 2018. He was uninjured in the crash. Watch hundreds of races in their entirety by becoming a RacinBoys premium member. Join today at watch video

Photo Gallery: 7th Annual Diamond Jo Casino “All-In 77”