OSKALOOSA, Iowa – After stopping the action halfway through the main event Tuesday night at the Marshalltown Speedway, Mother Nature decided her work was not done. Heavy rain throughout the day and night made for unbearable muddy conditions at the Southern Iowa Speedway, forcing event organizers to cancel Wednesday night’s planned stop at the “Mahaska County Monster” for the Dart Iron Man Challenge.

The final event of the inaugural 2010 campaign for the full-fendered USRA Karl Chevrolet Stock Cars happens this Thursday, Sept. 2, at the Highway 3 Raceway in Allison, Iowa.

Points leader Mike Van Genderen of Newton picked up his first of three wins this season when Round 2 of the Dart Iron Man Challenge was held at the Butler County Fairgrounds half-mile dirt oval on May 27.

Nathan Wood of Keswick is second in the standings while Polk City’s Steve Jackson is third. They are the only drivers with a mathematical chance of knocking Van Genderen off the top of the heap for the season-long title.

Fifteen dates at thirteen premier speedways throughout Iowa, Minnesota and Missouri dot the calendar for the inaugural campaign for the Dart Iron Man Challenge, which accompanies the popular USMTS Modifieds at each event. Each event will have a qualifying format similar to the USMTS, with heat race passing points determining the “B” Main and “A” Main line-ups.

Each driver’s ten best points-earning performances will count toward the final year-end standings with a $1,000 top prize for he series champ and the tenth-place finisher earning $100. In addition, each race will award national points in the USRA Karl Chevrolet Stock Car division of the American Racer USRA Weekly Racing Series where the national champion will earn $700.

A USRA license is not required to compete and/or earn points in the Dart Iron Man Challenge, but only USRA-licensed drivers will be eligible for points funds in either the Dart Iron Man Challenge or American Racer USRA Weekly Racing Series.

USRA rules will apply at each event. Drivers are permitted to utilize the Rochester, Motorcraft or 1¾ Holley 4412 open carburetor but must be run with the Edelbrock Performer (Part #2701) or Weiand X-CELerator (Part ##7541) intake manifold. These intakes must be stock (no porting allowed). The 4412 carb must be stock and must be 1-11/16. For conforming to IMCA rules, the 350 carb is allowed with a 2,800-pound weight rule. Any driver running the 604 crate motor is allowed the 4-barrel carburetor.

Production and camera crews will be on location Thursday as they record the USMTS action for the upcoming Dirt Knights TV show. Dirt Knights will be an on-going dramatic series of one-hour programs that will air twice a week for 13 weeks. The much-anticipated TV show is set to debut in January of 2011 on the VERSUS cable network - the fastest growing cable sports network in the nation, which reaches more than 75 million households.

To learn more about the USRA, visit www.usraracing.com or call 515-832-6000. You can also follow the USRA on Facebook, MySpace and Twitter.

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USRA TITLE SPONSOR: American Racer Racing Tires.

USRA OFFICIAL SPONSORS: AwesomeRacesuits.com, Dart Machinery, Intercomp, Karl Chevrolet, Karl Performance Parts, Kevko Oil Pans & Components, Nitroquest, RACEceiver, RHS – Racing Head Service.

USRA PARTICIPATING SPONSORS: Allstar Performance, Boubin Tire & Automotive, BRODIX Cylinder Heads, Day Motor Sports, SpeedNet Direct.

USRA CONTINGENCY SPONSORS: COMP Cams, Eibach Springs, Forty9Designs.com, Hooker Harness, Marsh Racing Wheels, QuickTime Inc, Racing Optics, Real Racing Wheels.