WEBSTER CITY, Iowa (July 9, 2025)—Next up for the Karl Chevrolet Hamilton County Speedway will wall-to-wall action on the historic half-mile oval in Webster City, Iowa, during the annual Hamilton County Fair, Thursday-Sunday, July 24-27.

Thursday Night Thunder featuring the Malvern Bank SLMR Super Late Models will also find the KS Engineering Iron Man USRA Stock Car Series driven by Terminator Chassis on Thursday, July 24.

Fans will also witness USRA Modifieds, USRA B-Mods and USRA Hobby Stocks racing for track, regional and national points in the Summit USRA Weekly Racing Series.

On Friday, July 25, Malvern Bank 360 Sprint Car Series are on tap for fans of 100-mph Winged Sprint Cars.

A second straight night of USRA Iron Man Stock Cars will be in action, along with USRA B-Mods and USRA Hobby Stocks.

Saturday, July 26, will be Hall of Fame Night featuring the inaugural stop for the new USRA Kevko Northern Lights Modified Series presented by Real Racing Wheels, battling for $2,000 to win.

Also on the card will be USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks and Crown Vics. It's also Kids Night with several bicycles to be given away.

The Hamilton County Fair will wraps it up on Sunday, July 27, with the amazing Eve of Destruction Trailer Races. An ongoing fan favorite, three classes of vehicles. This year's trailer races will not be laps but timed. The last vehicle standing with trailer (and whatever on trailer) wins. The competitor's goal is to knock the trailers off of vehicles, or knock off items.

Call Kelsey at (515) 832-6000 to inquire about a POP passes which will be available for the whole week of grandstand events.

Opening in July 1910, the Karl Chevrolet Hamilton County Speedway is the oldest speedway in the state of Iowa. In 1938, work began on the current location at the Hamilton County Fairgrounds. The semi-banked half-mile dirt track was completed in the spring of 1939, and the first races were held on the track in September of that year.

The Karl Chevrolet Hamilton County Speedway is located off US 20 at exit 140, then 1.2 miles north, then 0.5 mile east on Bank St., then 0.4 mile south on Bluff St. to the Hamilton County Fairgrounds in Webster City, Iowa. The physical address is 1200 Bluff St, Webster City, IA 50595.

To see the complete schedule, check out . For more information about the Karl Chevrolet Hamilton County Speedway, call (515) 832-6000 or check out HamiltonCoSpeedway.com. You can also get social on Facebook, Instagram, Twitter and YouTube.

To learn more about the USRA, check out www.usraracing.com and follow our social media platforms on Facebook, Instagram, TikTok, X and YouTube. For exclusive promotions delivered to your inbox, click here to subscribe today.

The United States Racing Association (USRA) was formed in 2002, and currently sanctions eight divisions at some of the finest speedways in America. With the incredible support of dozens of marketing partners, the USRA is able to provide points funds and contingency awards that are second to none in dirt track racing. Thousands of racers compete in the Summit USRA Weekly Racing Series at some of the most elite dirt track facilities in America.

The 12th Annual Summit USRA Nationals happens Sept. 30 through Oct. 4 at the legendary Lucas Oil Speedway in Wheatland, Mo., featuring USRA Modifieds, USRA Stock Cars, USRA B-Mods, USRA Hobby Stocks and USRA Tuners in their Summit USRA Weekly Racing Series national points finales.

The 6th Annual Summit USRA Southern Nationals returns to the Boothill Speedway in Greenwood, La., from Oct. 16-18, featuring USRA Limited Mods and Sunoco USRA Factory Stocks in their final Summit USRA Weekly Racing Series national points event.

USRA Official Sponsors: American Racer Racing Tires, Beyea Headers, Christie Door Company, Fast Shafts, FK Rod Ends, KSE Racing Products, Mesilla Valley Transportation, Nitroquest Media, PEM Racing Gears & Drivetrain, RacinDirt, Summit Racing Equipment, Sunoco Race Fuels.

USRA Presenting Sponsors: Boubin Tire & Automotive, Brodix Cylinder Heads, PBM Performance Products, YouDirt.com.

USRA Contingency Sponsors: AERO Race Wheels, AFCO Racing Products, Allstar Performance, Bryke Racing, BSB Manufacturing, Champ Pans, Dynamic Drivelines, Edelbrock, Gorsuch Performance Solutions, Hooker Narness, Hyperco, Integra Racing Shocks & Springs, JE Pistons, Keyser Manufacturing, KS Engineering, Landrum Performance Springs, MD3, MSD Performance, Performance Bodies & Parts, QA1, Quarter Master, QuickCar Racing Products, RaceQuip, RacerWebsite.com, Real Racing Wheels, Rush RaceGear by Austin Witt, Sweet Manufacturing, Swift Springs, Sybesma Graphics, Total Power, Wehrs Machine & Racing Products, Wilwood Disc Brakes.