GRAIN VALLEY, Mo. (June 4, 2025)—This weekend Boothill Speedway in Greenwood, La., becomes the epicenter of dirt modified racing as it hosts the Doug Murphrey Memorial. This co-sanctioned event brings together the USRA American Racer Modified Series presented by Day Motor Sports and the Summit USMTS National Championship presented by RacinDirt.

The event will run under the USMTS format and rules, promising a high-stakes showdown between national titans and regional standouts. The event is set to deliver intense competition on Boothill’s storied clay oval.

The Doug Murphrey Memorial is more than a race; it’s a tribute to a beloved figure in the racing community, and a chance for the Murphrey family to gather and remember a great man.

In recent years, the newest member of the Murphrey family has taken to the track, young Kale Murphrey. He has a USRA Modified and USMTS aspirations, but for the time being is still learning the ropes in his USRA B-Mod.

Kale Murphrey will be behind the wheel honoring his grandfather this weekend.

“This is one of the most special events on our calendar every year,” said RacinDirt and Heartland Promotions co-owner Trenton Berry. “From the very beginning of RacinDirt we have been at this race. The Murphrey family are some of the finest people we've ever met. We always want to honor their patriarch and share in the weekend with them.”

For the ARMS portion of the event, it will offer attendance points only, with a national field of competitors expected. The series will also award two nightly provisionals, if needed, among series eligible drivers.

Gary Christian of Broken Bow, Okla., leads the way in the ARMS points, with Kale Westover of Altus, Okla., in second. Manuel Williams II of Folke, Ark.; Sean Gaddis of Diana, Texas; and Trevor Hughes of Colcord, Okla., complete the top five.

2025 Points Fund: 1. $7500, 2. $4500, 3. $3500, 4. $3000, 5. $2500, 6. $2400, 7. $2300, 8. $2200, 9. $2100, 10. $2000.
Minimum 80% attendance required to be eligible for points funds.

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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.