WORTHINGTON, Minn. -- Three events are on tap for this week for the USRA Iron Man Challenge featuring USRA Karl Chevrolet Stock Cars and USRA Karl Performance Parts B-Mods racing in conjunction with the USMTS Modifieds.

The chaos begins at the Nobles County Speedway in Worthington, Minn., this Sunday, June 12, where Stock Cars will be racing for a top prize of $700 and $125 to start the main event while B-Mods battle for $500 to win and $75 to start.

Gates open at 4 p.m., hot laps are scheduled for 5:30 and the first heat race takes to the track at 6 p.m. Also on the racing card will be USRA Hobby Stocks racing for track and national points in the American Racer USRA Weekly Racing Series, plus Sportsmans and Outlaw Mini-Sprints.

Race fans can pick up $2-off coupons for Sunday's event at both Casey's General Stores locations in Worthington. Check out www.caseys.com for more information or to find the location nearest you.

The Nobles County Speedway is a 1/4-mile semi-banked clay oval located off of I-90 at Exit 43, then 0.4 mile south on SR 59, then 0.4 mile west on Oxford St., then 0.2 mile north on McMullan (Pioneer Village). For more information, call the track hotline at (507) 360-3825 or check out www.noblescountyspeedway.net online.

On Monday, action heads to the Mineral City Speedway in Fort Dodge, Iowa, with $700 to win the Stock Car main event and $500 for the B-Mod feature winner. In last year’s Stock Car finale, Mark Elliott became the series’ fourth different winner in four races with a thrilling finish at the Fort Dodge oval.

Pit gates open at 4 p.m. and grandstand general admission seating opens at 5. Hot laps begin at 6:30 and racing starts at 7 p.m. Along with the USMTS Modifieds, USRA Karl Chevrolet Stock Cars and USRA Karl Performance Parts B-Mods, rounding out the evening’s racing card will be USRA Hobby Stocks also competing for national points in the USRA Weekly Racing Series.

On race day, fans can pick up $2-off coupons at all Casey’s General Store locations in Fort Dodge. For more information or to find the location nearest you, check out www.caseys.com.

The Mineral City Speedway is a 1/2-mile semi-banked dirt oval located 0.9 mile north of US 20 on US 169, then 0.5 mile east on 230th. For more information call the track office at 515-573-8745 or 515-574-7223 on race day, or visit www.fdspeed.com online.

On Wednesday, June 15, the Cresco Speedway in Cresco, Iowa, will host the USRA Iron Man Challenge in conjunction with the USMTS Modifieds and another $700-to-win show for the Stock Cars and B-Mods going for $500 to the winner.

Pit gates open at 4 p.m. grandstands open at 5, hot laps begin at 7 and the first heat race gets the green flag at 7:30. Along with the USMTS Modifieds, USRA Karl Chevrolet Stock Cars and USRA Karl Performance Parts B-Mods, rounding out the evening’s racing card will be USRA Hobby Stocks also competing for national points in the USRA Weekly Racing Series.

On race day, fans can pick up coupons worth $2 off adult admission at Casey’s General Stores locations in Cresco, Decorah, New Hampton, Ossian and Riceville. Check out www.caseys.com for more information or to find the location nearest you.

The Cresco Speedway is a 4/10-mile semi-banked clay oval located 0.2 miles north of SR 9 on SW 7th (at the Howard County Fairgrounds). Day-of-the-race info is available by calling the track office at 563-547-3400. The Cresco Speedway is online at www.mhcfair.com/speedway.

2011 USRA IRON MAN CHALLENGE SCHEDULE:

Sat Apr 2 ... I-35 Speedway, Winston, MO
Thu May 26 ... Highway 3 Raceway, Allison, IA
Sat May 28 ... Deer Creek Speedway, Spring Valley, MN
Sun Jun 12 ... Nobles County Speedway, Worthington, MN
Mon Jun 13 ... Mineral City Speedway, Fort Dodge, IA
Wed Jun 15 ... Cresco Speedway, Cresco, IA
Thu Jun 23 … Park Jefferson Speedway, Jefferson, SD
Fri Jun 24 ... Rapid Speedway, Rock Rapids, IA
Mon Jul 11 ... Southern Iowa Speedway, Oskaloosa, IA
Tue Jul 12 ... Southern Iowa Speedway, Oskaloosa, IA
Wed Jul 20 ... Southern Iowa Speedway, Oskaloosa, IA
Thu Jul 21 … Bloomfield Speedway, Bloomfield, IA
Sat Aug 20 ... Upper Iowa Speedway, Decorah, IA
Sun Aug 21 ... Nobles County Speedway, Worthington, MN
Thu Aug 25 ... I-35 Speedway, Winston, MO
Sat Aug 27 ... Hamilton County Speedway, Webster City, IA
Thu Sep 1 ... Highway 3 Raceway, Allison, IA

Seventeen dates at twelve dirt ovals comprise the 2011 schedule for the second season of the Iron Man Challenge. Points for both classes will be awarded based on a driver’s 10 best nights.

The points fund for the Stock Cars carries a $2,000 top prize with the tenth-place finisher earning $200. In the B-Mod class, the points champion will earn $700 with tenth-place taking home $100.

Licensed USRA drivers in both classes will also earn national points in the USRA Weekly Racing Series. To earn points and be eligible for points funds, drivers must possess a valid USRA Competitor License, utilize the American Racer KK704 racing tire on all four wheels and compete in at least ten events.

There will be an entry fee of $25 for Stock Cars and $15 for B-Mods at each event.

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

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USRA OFFICIAL SPONSORS: American Racer Racing Tires, Awesome Race Suits, Intercomp, Karl Chevrolet, Karl Performance Parts, KEVKO Oil Pans & Components, NITROQUEST, RACEceiver, RHS – Racing Head Service, Western Flyer HotMods.

USRA PARTICIPATING SPONSORS: Boubin Tire & Automotive, BRODIX Cylinder Heads, DAY Motor Sports, DirtKnights.com, SpeedNet Direct.

USRA CONTINGENCY SPONSORS: COMP Cams, Dirthead.com, Eibach Springs, Forty9Designs.com, Genesis Shocks, Hooker Custom Harness, KSE Racing Products, Marsh Racing Wheels, New Vision Graphics, PBM Performance Products, Real Racing Wheels, Wehrs Machine & Racing Products.