September 17, 2006             Iowa Speedway, Newton, IA      USAC Silver Crown      Dave Steele
October 15, 2006       Prairie Meadows 250      Iowa Speedway, Newton, IA      ARCA Stock Car      Steven Wallace
May 5, 2007       Casey's General Store USAC Triple Crown      Iowa Speedway, Newton, IA      USAC Silver Crown      Bobby East
May 20, 2007       Featherlite Coaches 200      Iowa Speedway, Newton, IA      NASCAR West/Busch East      Joey Logano
June 2, 2007       Prairie Meadows 250      Iowa Speedway, Newton, IA      ARCA Stock Car      Frank Kimmel
June 23, 2007       Iowa 100      Iowa Speedway, Newton, IA      IRL Indy Pro Series      Alex Lloyd
June 24, 2007       Iowa Corn Indy 250      Iowa Speedway, Newton, IA      IRL Indy Car      Dario Franchitti
July 13, 2007             Iowa Speedway, Newton, IA      Grand Am Rolex Sports Car Series      Memo Rojas
Scott Pruett
July 14, 2007             Iowa Speedway, Newton, IA      Grand Am Rolex Sports Car Series      R.J. Valentine
Andy Lally
April 19, 2008       Prairie Meadows 250      Iowa Speedway, Newton, IA      ARCA Stock Car      Matt Hawkins
May 18, 2008       U.S. Cellular 200      Iowa Speedway, Newton, IA      NASCAR West/East Series      Brian Ickler
June 21, 2008       Jeld-Wen 100      Iowa Speedway, Newton, IA      IRL Indy Lights      Dillon Battistini
June 22, 2008       Iowa Corn Indy 250      Iowa Speedway, Newton, IA      IRL Indy Car      Dan Wheldon
August 10, 2008       Casey's General Stores 100      Iowa Speedway, Newton, IA      USAC Silver Crown      Cameron Dodson
May 17, 2009       Long John Silver's 200      Iowa Speedway, Newton, IA      NASCAR West/East Series      Kyle Busch
June 19, 2009             Iowa Speedway, Newton, IA      USAC Midget      Bobby Santos III
June 20, 2009       Miller Lite 100      Iowa Speedway, Newton, IA      IRL Indy Lights      Ana Beatriz Figueiredo
June 21, 2009       Iowa Corn Indy 250      Iowa Speedway, Newton, IA      IRL Indy Car      Dario Franchitti
July 11, 2009       Prairie Meadows 200      Iowa Speedway, Newton, IA      ARCA Stock Car      Parker Kligerman
July 31, 2009       Casey's General Stores Challenge      Iowa Speedway, Newton, IA      USAC Silver Crown      Cameron Dodson
July 31, 2009       Casey's General Stores Challenge      Iowa Speedway, Newton, IA      USAC Sprint Car      Shane Hmiel
August 1, 2009       U.S. Cellular 250      Iowa Speedway, Newton, IA      NASCAR Nationwide Series      Brad Keselowski
September 4, 2009       Central Iowa Building & Construction Trades 125      Iowa Speedway, Newton, IA      NASCAR West Series      David Mayhew
September 5, 2009       Lucas Oil 200      Iowa Speedway, Newton, IA      NASCAR Camping World Truck Series      Mike Skinner
May 22, 2010             Iowa Speedway, Newton, IA      USAC Midget      Bobby Santos III
May 22, 2010             Iowa Speedway, Newton, IA      USAC Sprint Car      Bryan Clauson
May 22, 2010             Iowa Speedway, Newton, IA      USAC Silver Crown      A.J. Fike
May 23, 2010       Goodyear Dealers of Iowa 200      Iowa Speedway, Newton, IA      NASCAR West/East Series      Max Gresham
June 19, 2010             Iowa Speedway, Newton, IA      IRL US F2000      Sage Karam
June 19, 2010       AvoidTheStork.com 100      Iowa Speedway, Newton, IA      IRL Indy Lights      Sebastian Saavedra
June 20, 2010       Iowa Corn Indy 250      Iowa Speedway, Newton, IA      IRL Indy Car      Tony Kanaan
July 10, 2010       Prairie Meadows 200      Iowa Speedway, Newton, IA      ARCA Stock Car      Tom Hessert III
July 11, 2010       Lucas Oil 200      Iowa Speedway, Newton, IA      NASCAR Camping World Truck Series      Austin Dillon
July 31, 2010       U.S. Cellular 250      Iowa Speedway, Newton, IA      NASCAR Nationwide Series      Kyle Busch
May 21, 2011       Pork 'Be Inspired' 175      Iowa Speedway, Newton, IA      NASCAR West/East Series      Brett Moffitt
May 22, 2011       Iowa John Deere Dealers 250      Iowa Speedway, Newton, IA      NASCAR Nationwide Series      Ricky Stenhouse Jr.
June 24, 2011             Iowa Speedway, Newton, IA      USAC Midget      Caleb Armstrong
June 24, 2011             Iowa Speedway, Newton, IA      USAC Silver Crown      Bobby East
June 25, 2011             Iowa Speedway, Newton, IA      IRL Star Mazda      Sage Karam
June 25, 2011       Sukup 100      Iowa Speedway, Newton, IA      IRL Indy Lights      Josef Newgarden
June 25, 2011       Iowa Corn Indy 250      Iowa Speedway, Newton, IA      IRL Indy Car      Marco Andretti
July 16, 2011       Prairie Meadows 200      Iowa Speedway, Newton, IA      ARCA Stock Car      Ty Dillon
July 16, 2011       Coca Cola 200      Iowa Speedway, Newton, IA      NASCAR Camping World Truck Series      Matt Crafton
August 6, 2011       U.S. Cellular 250      Iowa Speedway, Newton, IA      NASCAR Nationwide Series      Ricky Stenhouse Jr.
May 19, 2012       Graham Tire 150      Iowa Speedway, Newton, IA      NASCAR West/East Series      Chase Elliott
May 20, 2012       Pioneer Hi-Bred 250      Iowa Speedway, Newton, IA      NASCAR Nationwide Series      Ricky Stenhouse Jr.
June 22, 2012       Casey's General Stores USAC Challenge      Iowa Speedway, Newton, IA      USAC Midget      Bobby Santos III
June 22, 2012       Qualifying Race #2      Iowa Speedway, Newton, IA      IRL Indy Car      Tony Kanaan
June 22, 2012       Qualifying Race #1      Iowa Speedway, Newton, IA      IRL Indy Car      Graham Rahal
June 22, 2012       Casey's General Stores USAC Challenge      Iowa Speedway, Newton, IA      USAC Silver Crown      Bobby East
June 22, 2012       Qualifying Race #3      Iowa Speedway, Newton, IA      IRL Indy Car      Dario Franchitti
June 23, 2012       Iowa Speedway Foundation 100      Iowa Speedway, Newton, IA      IRL Star Mazda      Sage Karam
June 23, 2012       Sukup 100      Iowa Speedway, Newton, IA      IRL Indy Lights      Esteban Guerrieri
June 23, 2012       Iowa Corn Indy 250      Iowa Speedway, Newton, IA      IRL Indy Car      Ryan Hunter-Reay
July 13, 2012       Prairie Meadows 200      Iowa Speedway, Newton, IA      ARCA Stock Car      Alex Bowman
July 14, 2012       American Ethanol 200      Iowa Speedway, Newton, IA      NASCAR Camping World Truck Series      Timothy Peters
August 3, 2012       Pork Be Inspired 150      Iowa Speedway, Newton, IA      NASCAR West/East Series      Corey LaJoie
August 4, 2012       U.S. Cellular 250      Iowa Speedway, Newton, IA      NASCAR Nationwide Series      Elliott Sadler
September 15, 2012       American Ethanol 200      Iowa Speedway, Newton, IA      NASCAR Camping World Truck Series      Ryan Blaney
June 7, 2013       Casey's General Stores 150      Iowa Speedway, Newton, IA      NASCAR West/East Series      Michael Self
June 9, 2013       DuPont Pioneer 250      Iowa Speedway, Newton, IA      NASCAR Nationwide Series      Trevor Bayne
June 22, 2013       Qualifying Race #3      Iowa Speedway, Newton, IA      IRL Indy Car      Hélio Castroneves
June 22, 2013       Qualifying Race #2      Iowa Speedway, Newton, IA      IRL Indy Car      Graham Rahal
June 22, 2013       Qualifying Race #1      Iowa Speedway, Newton, IA      IRL Indy Car      Scott Dixon
June 22, 2013       Sukup 100      Iowa Speedway, Newton, IA      IRL Indy Lights      Sage Karam
June 23, 2013       Iowa Corn Indy 250      Iowa Speedway, Newton, IA      IRL Indy Car      James Hinchcliffe
July 13, 2013       American Ethanol 200      Iowa Speedway, Newton, IA      NASCAR Camping World Truck Series      Timothy Peters
August 2, 2013       Pork Be Inspired 150      Iowa Speedway, Newton, IA      NASCAR West/East Series      Cole Custer
August 3, 2013       U.S. Cellular 250      Iowa Speedway, Newton, IA      NASCAR Nationwide Series      Brad Keselowski
September 7, 2013       Prairie Meadows 150      Iowa Speedway, Newton, IA      ARCA Stock Car      Grant Enfinger
September 8, 2013       Fan Appreciation 200      Iowa Speedway, Newton, IA      NASCAR Camping World Truck Series      James Buescher
May 17, 2014       Casey's General Store 150      Iowa Speedway, Newton, IA      NASCAR West/East Series      Ben Rhodes
May 18, 2014       Get to Know Newton 250      Iowa Speedway, Newton, IA      NASCAR Nationwide Series      Sam Hornish
July 11, 2014       American Ethanol 200      Iowa Speedway, Newton, IA      NASCAR Camping World Truck Series      Erik Jones
July 12, 2014       Iowa Corn Indy 300      Iowa Speedway, Newton, IA      IRL Indy Car      Ryan Hunter-Reay
August 1, 2014       Autolite Iridium XP 150      Iowa Speedway, Newton, IA      NASCAR West/East Series      Brandon Jones
August 2, 2014       U.S. Cellular 250      Iowa Speedway, Newton, IA      NASCAR Nationwide Series      Brad Keselowski
May 16, 2015       Casey's General Store 150      Iowa Speedway, Newton, IA      NASCAR West/East Series      Brandon McReynolds
May 17, 2015       3M 250      Iowa Speedway, Newton, IA      NASCAR Xfinity Series      Chris Buescher
June 19, 2015       American Ethanol 200      Iowa Speedway, Newton, IA      NASCAR Camping World Truck Series      Erik Jones
June 20, 2015             Iowa Speedway, Newton, IA      USAC Silver Crown      Bobby Santos III
July 17, 2015       #ThisIsMySpeedway 150      Iowa Speedway, Newton, IA      ARCA Stock Car      Mason Mitchell
July 18, 2015             Iowa Speedway, Newton, IA      IRL Pro Mazda      Weiron Tan
July 18, 2015       Iowa Corn 300      Iowa Speedway, Newton, IA      IRL Indy Car      Ryan Hunter-Reay
July 18, 2015       Iowa 115      Iowa Speedway, Newton, IA      IRL Indy Lights      Max Chilton
July 31, 2015       Thanks Kenny 150      Iowa Speedway, Newton, IA      NASCAR West/East Series      Brandon McReynolds
August 1, 2015       U.S. Cellular 250      Iowa Speedway, Newton, IA      NASCAR Xfinity Series      Ryan Blaney
June 18, 2016       Speediatrics 200      Iowa Speedway, Newton, IA      NASCAR Camping World Truck Series      William Byron
June 19, 2016       American Ethanol E15 250      Iowa Speedway, Newton, IA      NASCAR Xfinity Series      Sam Hornish
July 10, 2016       Iowa Corn 300      Iowa Speedway, Newton, IA      IRL Indy Car      Josef Newgarden
July 10, 2016       Iowa Challenge      Iowa Speedway, Newton, IA      IRL Indy Lights      Félix Serrallés
July 29, 2016       Casey's General Store 150      Iowa Speedway, Newton, IA      NASCAR West/East Series      Todd Gilliland
July 30, 2016       U.S. Cellular 250      Iowa Speedway, Newton, IA      NASCAR Xfinity Series      Erik Jones
July 9, 2017       Iowa Corn 300      Iowa Speedway, Newton, IA      IRL Indy Car      Hélio Castroneves