Due to unfit track conditions, officials at the Mason City Motor Speedway have postponed their Season Championships until Sunday, Sept. 18.

Weston Koop cemented one of the best seasons of his career Sunday, rolling to his fourth feature win and clinching the USRA Hobby Stock track championship at the Mason City Motor Speedway.

While the USMTS invaded the Mason City Motor Speedway Sunday night, three other USRA drivers also notched victories at the historic North Iowa Fairgrounds oval.

After hopping out of his Holley USRA Stock Car, Steve Jackson had one piece of advice for the race fans around Mason City.

The star-studded World of Outlaws Craftsman Late Model Series will invade two historic Iowa race tracks this Thursday and Friday, July 7-8, in Webster City and Mason City.

The second night of the inaugural Coors Light Silver Bullet Twin 25s has been postponed due to afternoon rain showers that soaked the Mason City Motor Speedway today.

Derek Green, Andy Bryant and Weston Koop got the first taste of victory Wednesday as winners on opening night at Mason City Motor Speedway's Coors Light Silver Bullet Twin 25s presented by United Beverage.

The richest event for Stock Cars and B-Mods in the history of the Mason City Motor Speedway takes place Wednesday and Thursday with the Coors Light Twin 25s presented by United Beverage.

The richest week of dirt track racing ever for Stock Cars and B-Mods in the State of Iowa (or anywhere else for that matter) happens Tuesday, June 28 through Sunday, July 3.

As Andrew Borchardt rolled off the scales in the tech area after Sunday’s USRA Hobby Stock feature at Mason City Motor Speedway, all Cory Gansen could do was give him a thumbs up with a grin.

Kyle Falck and Jason Schlangen shared the spotlight Thursday night as main event victors in the USRA Iron Man Series event at the Mason City Motor Speedway.

After months of transition, the green flag dropped on a new era of racing Sunday night at Mason City Motor Speedway. The fans showed up in droves and so did the drivers.