The Mason City Motor Speedway in Mason city, Iowa, finishes up the month of July with a three-night excursion on Thursday, Friday and Saturday, July 20-22, for the 10th Annual USMTS North Iowa Nationals presented by Christie Door Store.

The Summit USMTS National Championship presented by RacinDirt brings the best of the best to North Iowa's Action Track in a prelude to the 25th Anniversary USMTS Silver Jubilee here in August.

USRA Stock Cars, USRA B-Mods and USRA Hobby Stocks will join the program on Thursay while Friday and Saturday will feature the WINS Sprint Car Series and school bus races both nights.

The Mason City Motor Speedway is a 1/3-mile clay oval located 5.1 miles east of I-35 at exit 194 on SR 122 (at the North Iowa Fairgrounds). For more information, call (515) 832-6000 or check out MasonCityMotorSpeedway.com. You can also follow us on Facebook, Instagram and Twitter.

If you can’t be there in person, witness all the action from anywhere on any device at RacinDirt.tv.

Visit USMTS.com for schedules, points, photos, souvenirs, videos and more, and follow our social media channels on Facebook, Instagram, Twitter and YouTube.