A huge Labor Day Weekend tripleheader lies ahead for the Best of the Best in dirt modified racing as the Summit USMTS National Championship fueled by Casey's features three nights of action in three states with $10,000 to win up for grabs each night.

Note: Friday's show at the Mississippi Thunder Speedway in Fountain City, Wis., has been canceled.

After steamrolling into the Deer Creek Speedway in Spring Valley, Minn., on Saturday, Sept. 4, the series will make its only appearance of the 2021 campaign at the fabulous Fayette County Speedway in West Union, Iowa, on Sunday, Sept. 5.

The 2021 campaign for the Summit USMTS National Championship fueled by Casey's features 36 nights of racing with the winners of those main events set to take home over $300,000 in earnings from more than $1 million in prize money earmarked for those shows.

Most main events will pay at least $10,000 to win while the others carry a minimum $5,000 top prize. And if that weren't enough, more than $230,000 is committed to the top ten finishers in the 2021 points standings with a record $70,000 reserved for the 2021 USMTS National Champion.

Visit usmts.com for schedules, points, photos, souvenirs, videos and more. Follow our social media channels on Facebook, Instagram, Twitter and YouTube. Click here to get USMTS news delivered to your inbox.

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USMTS OFFICIAL SPONSORS:  American Racer Racing Tires, Beyea Headers, Casey's, Chevrolet Performance, Compstar, Dirt Draft, Eibach, Fast Shafts, FK Rod Ends, Intercomp, Jerovetz Motorsports Racing Parts, K1 RaceGear by Ryan Bowers Motorsports, KS Engineering, KSE Racing Products, Malvern Bank, Mesilla Valley Transportation, MSD Performance, MTN DEW RISE ENERGY, MyRacePass, Nitroquest Media, PEM Racing Gears & Drivetrain, RacinDirt.com, Summit Racing Equipment, Super Clean, The Chunky Poodle, VP Racing Fuels, Wrisco Industries.

USMTS PARTICIPATING SPONSORS:  ARMI Contractors, Boomtest Well Service, Boubin Tire & Automotive, Brodix Cylinder Heads, Duvall Electric, Hacienda Mechanical, Mel Hambelton Ford Racing, Midwest Wrap Co., Miller Welders, PBM Performance Products, Race Ranch, Rancho Milagro Racing, RHRSwag.com, S&S Fishing & Rental, YouDirt.com.

USMTS CONTINGENCY SPONSORS:  AFCO Racing Products, Allstar Performance, BigDeal Car Care, Brown & Miller Racing Solutions, Bryke Racing, BSB Manufacturing, Champ Pans, Deatherage Opticians, Edelbrock, Forty9 Designs, Hooker Harness, Integra Racing Shocks and Springs, Keyser Manufacturing, Maxima Racing Oils, Penske Racing Shocks, QA1, RacerWebsite.com, Real Racing Wheels, Simpson Performance Products, Swift Springs, Sybesma Graphics, Tire Demon, Wehrs Machine & Racing Products, Wilwood Racing.

USMTS RACETRACKS: 81 Speedway, Ark-La-Tex Speedway, Casino Speedway, Cedar Lake Speedway, Dallas County Speedway, Deer Creek Speedway, Fayette County Speedway, Hamilton County Speedway, Humboldt Speedway, Lakeside Speedway, Lucas Oil Speedway, Mason City Motor Speedway, Mississippi Thunder Speedway, Ogilvie Raceway, Park Jefferson Speedway, Rapid Speedway, Revolution Park, RPM Speedway, Tri-State Speedway, Upper Iowa Speedway.