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2019 plans announced for Mason City Motor Speedway
JAS Promotions, which includes Al Hejna, Todd Staley and Ryne Staley, have reached an agreement with the North Iowa Events Center to reduce the size and shape of the Mason City Motor Speedway racing surface. The track, which currently measures over 2,700 fe … read more
USMTS set for rock ‘em sock ‘em 2019 slate
The monster modifieds of the Casey's USMTS National Championship invades the Mascon City Motor Speedway on Sunday, Aug. 12, 2019. … read more
Cook Racing Supplies continues as USRA Hobby Stock title sponsor
Cook Racing Supplies will be returning as the title sponsor of the USRA Hobby Stock division in 2019, officials from the United States Racing Association announced this week. “Cook Racing Supplies is glad to be a title sponsor once again in 2019 for t … read more
North Iowa Motorsports Expo March 2-3
Mason City Motor Speedway along with the USRA will be hosting the inaugural North Iowa Motorsports Expo on Saturday and Sunday, March 2-3, with set up on Friday or Saturday morning. Street rodders are welcome also. Bring your used parts to sell, This is a t … read more
2019 USRA rules posted, available for download
The 2019 rules for USRA sanctioned divisions have been posted to the USRA website atwww.usraracing.comand are available for download and printing. Racers can view the rules or download them atwww.usraracing.com/rules. Printed copies will be available at upc … read more
Season Championships postponed
With the rain that hit the track yesterday and the condition the track is in now we wouldn’t be able to get on it to work it until at least tomorrow. Tomorrow’s forecast is rain most of the day. We are going to at this point postpone Season Cham … read more
$5 Night brought to you by Pritchard's Family Stores
This Sunday will be the last points night for our USRA weekly racing classes and everybody 13 and up will only pay $5 to get in! 12 and under are still free. This weeks sponsors are Pritchard Family Auto Stores..selling cars in North Iowa for over 100 ye … read more
Wild finishes highlight Mason City show
Terry Phillips joked that it used to be called “vacation racing.” In his younger days, that’s what he would refer to some touring series’ as. That’s not the case anymore. “We used to joke about vacation racing back  … read more
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

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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

How American Racer tires are made
You know those round, rubber things on your car that make you go around? Well, have you ever seen a green tire before? Watch the video and see the incredible transformation of an American Racer racing tire during the curing process to give the tire its final shape!… watch video

Diamond Jo Casino USMTS Double Down 30s coming Aug. 13
The meanest machines on dirt invade the Mason City Motor Speedway this Sunday, Aug. 13, when the titans of the United States Modified Touring Series bring the big boom to do battle in Mason City during the USMTS Hunt for the Casey's Cup! See the big names on the big track and on the gas with the Dia… watch video

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