Saturday night's event for the Iron Man Challenge featuring Holley USRA Stock Cars and Out-Pace USRA B-Mods at the Park Jefferson Speedway has been canceled due to rain.

Up next for the Iron Man Challenge is a four-night Labor Day Weekend excursion through Southern Minnesota and Northern Iowa:

Thursday, Aug. 31 ... Fairmont Raceway, Fairmont, Minn.
Friday, Sept. 1 ... Fayette County Speedway, West Union, Iowa
Saturday, Sept. 2 ... Deer Creek Speedway, Spring Valley, Minn.
Sunday, Sept. 3 ... Cresco Speedway, Cresco, Iowa

Both Holley USRA Stock Cars and Out-Pace USRA B-Mods will be racing, and the USMTS Modifieds will share the card each night.

To learn more about the USRA, visit www.usraracing.com or call 515-832-6000. You can also like USRA Racing on Facebook at www.facebook.com/usraracing, follow www.twitter.com/usraracing on Twitter and check out the USRA YouTube channel at www.youtube.com/usratv. Keep up to speed with everything USRA by joining our email list at www.usraracing.com/subscribe.

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USRA OFFICIAL SPONSORS: American Racer Racing Tires, Argo Manufacturing, CP-Carrillo, Fast Shafts, Intercomp, KSE Racing Products, Mesilla Valley Transportation, RacerWebsite.com, RacinDirt.com, Summit Racing Equipment, The Joie of Seating.

USRA PARTICIPATING SPONSORS: ASi Racewear, Boubin Tire & Automotive, Brodix Cylinder Heads, ElbowsUp.com, YouDirt.com.

USRA CONTINGENCY SPONSORS: Aero Race Wheels, AFCO Racing Products, Allstar Performance, Beyea Custom Headers, Day Motor Sports, Edelbrock, Forty9 Designs, Fuel Safe, Genesis Racing Shocks, Holley Performance, Integra Shocks & Springs, Keyser Manufacturing, Out-Pace Racing Products, QA1 Precision Products, Real Racing Wheels, Sybesma Graphics.

USRA MEMBER TRACKS: Atchison County Raceway, Aztec Speedway, Badlands Motor Speedway, Bethany Fairgrounds Speedway, Callaway Raceway, Caney Valley Speedway, Central Missouri Speedway, Chateau Raceway, Cresco Speedway, Deer Creek Speedway, Devil’s Bowl Speedway, Fayette County Speedway, Flint Creek Speedway, I-35 Speedway, Lake Ozark Speedway, Lakeside Speedway, Lawton Speedway, Legit Speedway Park, Lucas Oil Speedway, Mason City Motor Speedway, Midway Speedway, Mississippi Thunder Speedway, Missouri State Fair Speedway, Monett Speedway, Nobles County Speedway, North Central Arkansas Speedway, Rapid Speedway, RPM Speedway, Sioux Speedway, Southern New Mexico Speedway, Southern Oklahoma Speedway, Springfield Raceway, Tri-State Speedway, U.S. 36 Raceway, Upper Iowa Speedway, Valley Speedway, White Mountain Speedway Park, Wichita Speedway.