Knoxville Raceway Race Track in Knoxville, Iowa, USA

• dirt tracks
• USA
• Iowa

Knoxville Raceway Dirt Track Logo

"Sprint Car Capital of the World"

Knoxville Raceway is a tradition, a legacy and a leader in dirt track and open wheel racing.

Knoxville Raceway races 410 Sprint Cars and 360 Sprint Cars. Special events include 305 Sprint Cars, Dirt Trucks, Vintage Flat Track Motorcycles, World of Outlaws, Modifieds, Sport Mods, and Late Models.

• Website
• Facebook
• Email: info@knoxvilleraceway.com
• Phone: 641-842-5431
• Surface: 1/2 mile dirt oval

• 1000 N Lincoln St
  Knoxville, Iowa, 50138 USA
• lat: 41.325900, lng: -93.109518
• Link to Google Map
• Link to Apple Map

Knoxville Raceway Dirt Track Racing Schedule

Schedules are known to change without warning, double check with race track before heading out.

Knoxville Raceway Dirt Track News

• 
  Hartmann checks Knoxville box, preps for IRA tripleheader

  (PEDAL DOWN PROMOTIONS) July 23, 2025 - A childhood dream decades in the making came to realization when Austin Hartmann paid a visit to the Sprint Car Capital of the World in Knoxville, Iowa, to complete his first night of competition at the fabled Knoxville Raceway on Saturday, July 19. Hartmann and the members of the 87A Hartmann Racing Team made the 310-mile one-way trek to the famed third-mile black dirt oval to compete in a weekly 410 Sprint Car event, which drew a stout field of 31 Knoxville regulars and travelers from throughout the United States. After clocking in with a time of 18.317 seconds in qualifying, the fifth-year Sprint Car competitor moved up two spots to place ninth in the first 8-lap heat race. The Plymouth, Wis. driver started 10th and advanced one position to cap his Knoxville Raceway debut with a ninth place showing in the 12-lap B main. "Knoxville was interesting, super difficult and eye-opening," Hartmann said. "It was definitely everything I thought it would be." The 87A Hartmann Racing Team is slated to return to Bumper to Bumper Interstate Racing Association 410 Sprint Car Series competition with a three-race weekend starting Friday, July 25 at Mississippi Thunder Speedway in Fountain City, Wis. followed by a visit to Beaver Dam Raceway in Beaver Dam, Wis. on Saturday, July 26 and a trip to Angell Park Speedway in Sun Prairie, Wis. on Sunday, July 27. Spectator gates open at 5:30 p.m. with hot laps at 6 p.m. and racing at 7 p.m. at Mississippi Thunder Speedway on Friday, July 25. Spectator gates open at 4:30 p.m. with racing commencing at 6:30 p.m. at Beaver Dam Raceway on Saturday, July 26. The weekend closes at Angell Park Speedway on Sunday, July 27, with spectator gates opening at 4 p.m., engine heat at 4:30 p.m., hot laps at 5 p.m. and racing at 6 p.m. "We are looking forward to racing three nights close to home this weekend with the IRA," Hartmann said. All IRA events the 87A Hartmann Racing Team enters during the 2025 season will be streamed live on floracing.com. 87A Hartmann Racing 2025 sponsorship partners include Kristine Hartmann Pleasantview Realty, Shufflebotham Tree Service, The Dispensary, Metalcraft, Ludwig & Sons Trucking, Quasius Construction, Holler n' Hills, Rich's Truck & Auto Repair, Gibbsville Cheese, Hepfner Racing Products and Berryman Racing Shocks. Additional information on the 87A Hartmann Racing team can be found by visiting the team's website www.team87a.com and Facebook page https://www.facebook.com/87Ahartmannracing. 87A Hartmann Racing Sponsor Showcase - Shufflebotham Tree Service Located in Sheboygan Falls, Wisconsin, Shufflebotham Tree Service specializes in tree trimming, tree removal, brush chipping, lot clearing, stump grinding, and snow removal, offering fully insured service and free estimates. Contact Andrew Shufflebotham and his highly skilled team, which has accumulated over 20 years of experience in the field, for your next tree trimming, removal, or clean-up project by calling 920-627-3849 or checking out the Shufflebotham Tree Service Facebook page. 87A Hartmann Racing Sponsor Showcase - Kristine Hartmann of Pleasant View Realty KRISTINE HARTMANN, REALTOR OF Pleasant View Realty, better known as "Every Race Fans Realtor," has 25-plus years of experience selling real estate throughout Wisconsin. Kristine's passion for the sport of racing connects with her competitive drive and ambition as a realtor in the community. Contact Kristine Hartmann with all your real estate needs and ask her about the special racing rates! You can find her on Facebook @ KRISTINE HARTMANN, REALTOR. Additionally, she can be found at the 87A trailer at any IRA race and would be happy to discuss racing and real estate. For more information, visit https://www.facebook.com/PVRKRISTINE, call/text 920-980-5542 or email kristine@pleasantviewrealty.com. Pedal Down Promotions is a full-service public relations and media services company devoted to helping its clients effectively communicate with targeted audiences through press releases, newsletters, profile and feature articles, website and social media content development, printed media, editing and layout, graphic design and book publishing services. For more information on Pedal Down Promotions, email pedaldownpromotions@gmail.com, visit www.pedaldownpromo.com or call 920-323-7970. Austin Hartmann 87A Hartmann Racing Upcoming Schedule Friday, July 25 - Mississippi Thunder Speedway, Fountain City, Wis. (IRA) Saturday, July 26 - Beaver Dam Raceway, Beaver Dam, Wis. (IRA) Sunday, July 27 - Angell Park Speedway, Sun Prairie, Wis. (IRA) Austin Hartmann 87A Hartmann Racing 2025 Statistics Total Events - 15 IRA Events - 7 World of Outlaws Events - 5 High Limit Events - 2 Knoxville Raceway Events - 1 A-Main Victories - 0 Podium Finishes - 0 Top Five A-Main Finishes - 0 Top 10 A-Main Finishes - 2 Top 15 A-Main Finishes - 2 Top 20 A-Main Finishes - 7 B Main Victories - 0 Heat Race Victories - 0 Dash Appearances - 3 Dash Victories - 0 Fast Qualifier Awards - 1

• 
  SATURDAY IS WEILER NIGHT!

  This Saturday is Weiler and 410 Border Battle Night at Knoxville Raceway! Plus the Casey's Candy Dash at intermission! It is Round #13 of the Knoxville Championship Series featuring the 410s and Randall Roofing 360 Sprint Cars. Kids ages 12 and under are FREE!

• 
  Hartmann mounts Outlaws charge, eyes Knoxville dream

  (PEDAL DOWN PROMOTIONS) July 16, 2025 - In a season haunted by mechanical maladies and misfortune, Austin Hartmann and the 87A Hartmann Racing Team encountered more of the same early before coming on strong late to cap an eventful night with the NOS Energy Drink World of Outlaws Sprint Car Series at Wilmot Raceway in Wilmot, Wis. on Saturday, July 12. The Plymouth, Wis. driver's fifth night of competition with the World of Outlaws in 2025 started on a sour note as his machine failed to fire for hot laps, qualifying and heat race action. After finally diagnosing a problem with the car's fueling system, Hartmann put together an inspired drive from 12th to sixth in the Last Chance Showdown to earn the final transfer spot into the 40-lap Larry Hillerud Memorial main event. The 2020 Midwest Sprint Car Association 360 Sprint Car rookie of the year drove a smooth and steady A main to finish 19th from the 24th starting spot. "Man, what a struggle," Hartmann, "We found out the tail tank was causing the car not to fire. It was the same one the car ran on the race prior. I didn't really keep my composure at all. Then, when we pushed off for the B main, I realized I lost rear brakes, so that made it even worse in the B [Last Chance Showdown]. All in all, I can't thank the Goldsberrys, Neumans and Dave Uttech enough for brainstorming and helping to get the car running. The car runs great now." Hartmann is ready to hit the road to Iowa to make his debut at the most renowned track in the sport of Sprint Car racing this Saturday, July 19. "We will regroup and focus on Knoxville Raceway this weekend," Hartmann said. "Racing at Knoxville is a lifelong dream. It's finally coming true." Spectator gates open at 5:30 p.m. with hot laps at 6:45 p.m. and racing commencing at 8 p.m. for the Knoxville Raceway weekly 410 Sprint Car program on historic half-mile semi-banked black dirt oval. The event will be live-streamed on dirtvision.com. 87A Hartmann Racing 2025 sponsorship partners include Kristine Hartmann Pleasantview Realty, Shufflebotham Tree Service, The Dispensary, Metalcraft, Ludwig & Sons Trucking, Quasius Construction, Holler n' Hills, Rich's Truck & Auto Repair, Gibbsville Cheese, Hepfner Racing Products and Berryman Racing Shocks. Additional information on the 87A Hartmann Racing team can be found by visiting the team's website www.team87a.com and Facebook page https://www.facebook.com/87Ahartmannracing. 87A Hartmann Racing Sponsor Showcase - Ludwig & Sons Trucking Family-owned and operated, Ludwig & Sons Trucking is located at 708 South Pioneer Road in Fond du Lac, Wis. With 18 years of personalized service in the trucking industry on its side, Ludwig & Sons is versatile, reliable and well-qualified to ensure safe and timely deliveries. To reach Ludwig & Sons Trucking to haul your most important freight, email Ludwigsonstrucking@gmail.com or call 920-539-8616. 87A Hartmann Racing Sponsor Showcase - Kristine Hartmann of Pleasant View Realty KRISTINE HARTMANN, REALTOR OF Pleasant View Realty, better known as "Every Race Fans Realtor," has 25-plus years of experience selling real estate throughout Wisconsin. Kristine's passion for the sport of racing connects with her competitive drive and ambition as a realtor in the community. Contact Kristine Hartmann with all your real estate needs and ask her about the special racing rates! You can find her on Facebook @ KRISTINE HARTMANN, REALTOR. Also, she can be found at the 87A trailer at any IRA race and would be happy to chat about racing and real estate! For more information, visit https://www.facebook.com/PVRKRISTINE, call/text 920-980-5542 or email kristine@pleasantviewrealty.com. Pedal Down Promotions is a full-service public relations and media services company devoted to helping its clients effectively communicate with targeted audiences through press releases, newsletters, profile and feature articles, website and social media content development, printed media, editing and layout, graphic design and book publishing services. For more information on Pedal Down Promotions, email pedaldownpromotions@gmail.com, visit www.pedaldownpromo.com or call 920-323-7970. Austin Hartmann 87A Hartmann Racing Upcoming Schedule Saturday, July 19 - Knoxville Raceway, Knoxville, Iowa (410 weekly) Austin Hartmann 87A Hartmann Racing 2025 Statistics Total Events - 14 IRA Events - 7 World of Outlaws Events - 5 High Limit Events - 2 A-Main Victories - 0 Podium Finishes - 0 Top Five A-Main Finishes - 0 Top 10 A-Main Finishes - 2 Top 15 A-Main Finishes - 2 Top 20 A-Main Finishes - 7 B Main Victories - 0 Heat Race Victories - 0 Dash Appearances - 3 Dash Victories - 0 Fast Qualifier Awards - 1

• 
  MID SEASON CHAMPIONSHIP THIS SATURDAY!

  This Saturday is Higher View Enterprises – Nolan Wren Memorial and Mid-Season Championship Night at Knoxville Raceway!

• 
  Corey Day Tops World of Outlaws for Second Year in a Row at Knoxville!

  Corey Day loves racing at Knoxville with the NOS Energy Drink Sprint Cars in June. For the second year in a row, he won the finale of the Premier Chevy Dealers Clash at the Knoxville Raceway on Saturday. The Clovis, California native banked $12,000 for his win.

• 
  World of Outlaws Drivers on the Challenges of Knoxville Raceway

  Few dirt tracks are as difficult to master as Knoxville Raceway. The legendary 1/2-mile dirt track has presented challenges to Sprint Car drivers for decades. It’s home to the sport’s most prestigious ...

• 
  Tyler Courtney Holds Off Day by .037 of a Second at Knoxville!

  Tyler Courtney passed the red hot Ryan Timms and held off a closing Corey Day to win the 410 feature on Vermeer Night at the Knoxville Raceway Saturday. The victory was Courtney's third in a 410 at Knoxville, and was worth $6,000 aboard the Clauson-Marshall #7BC.

• 
  Big River Steel Chase for the Championship - Presented by ARP Heats Up

  BATAVIA, Ohio (June 4, 2025) - The thrilling battle for the Big River Steel Chase for the Championship - Presented by ARP is heating up. The Lucas Oil Late Model Dirt Series presented by FloRacing National Champion will earn an industry record $250,000 from a total points fund that was increased in 2025 to over $1.3 million. Ricky Thornton Jr. holds a slim 15-point lead over Jonathan Davenport, with Devin Moran following, in the championship standings as they head into the next series event at Smoky Mountain Speedway on June 13-14. The battle to remain in the Big River Steel Big Four has Hudson O'Neal climbing to fourth in the standings, with Garret Alberson in fifth, Brandon Overton in sixth, and Brandon Sheppard in seventh, with all four drivers separated by 235 points or less. The Big River Steel "Big Four" in 2025 will be determined after the Lucas Oil Late Model Knoxville Nationals. From there, the four championship contenders will compete for the Lucas Oil Late Model Dirt Series presented by FloRacing National Championship at the remaining five races of the season. These four drivers will be seeded based on the number of feature wins in championship points-earning events they achieve throughout the year, earning 10 points for each feature win. "The intensity is starting to ramp up as we approach the Big River Steel Big Four. Every position at every race matters, and it's fun to watch the pressure on the drivers to achieve their best finish. The Series is very honored to have great sponsors who support this Championship format and contribute additional bonus money to the points fund, which includes contributions from Big River Steel, ARP, Sunoco Race Fuels, Summit Racing Equipment, and UNOH. 2025 is already shaping up to be another exciting season on the Lucas Oil Late Model Dirt Series - presented by FloRacing," stated Wayne Castleberry, Sales and Marketing for Lucas Oil Motorsports. For the latest news, results, championship standings, and more about the Lucas Oil Late Model Dirt Series presented by FloRacing, please visit www.lucasdirt.com. Big River Steel Chase for the Championship - Presented by ARP Bonuses: Sunoco Road to Wheatland: May 24 at Lucas Oil Speedway; 33rd Annual Show-Me 100: 1. $2,500, 2. $1,500, 3. $1,500, 4. $1,500, 5. $1,500, 6. $1,000, 7. $1,000, 8. $1,000, 9. $1,000, 10. $1,000, 11. $500, 12. $500, 13. $500, 14. $500, 15. $500 = $16,000 Summit Racing Equipment Super Twelve: July 12 at Lucas Oil Speedway: 19th Annual Diamond Nationals: 1. $5,000, 2. $1,000, 3. $1,000, 4. $1,000, 5. $1,000, 6. $1,000, 7. $1,000, 8. $1,000, 9. $1,000, 10. $1,000, 11. $1,000, 12. $1,000 = $16,000 UNOH Great Eight: August 23 at Port Royal Speedway; The Rumble by the River: 1. $7,500, 2. $1,500, 3. $1,500, 4. $1,500, 5. $1,500, 6. $1,500, 7. $1,500, 8. $1,500 = $18,000 Big River Steel Big Four: September 20 at Knoxville Raceway; Late Model Knoxville Nationals: 1. $10,000, 2. $2,000, 3. $2,000, 4. $2,000 = $16,000 Big River Steel Big Four Championship Events: Date - Venue - Event - To Win Sept. 26 - Brownstown Speedway - 4th Annual CJ Rayburn Memorial - $10,000 Sept. 27 - Brownstown Speedway - 46th Annual Jackson 100 - $50,000 Oct. 3 - Pittsburgh's PA Motor Speedway - 37th Annual Pittsburgher - $10,000 Oct. 4 - Pittsburgh's PA Motor Speedway - 37th Annual Pittsburgher - $50,000 Oct. 17 - Eldora Speedway - 45th Annual Dirt Track World Championship (Prelim; Non-Points) Oct. 18 - Eldora Speedway - 45th Annual Dirt Track World Championship - $100,000 2025 Lucas Oil Late Model Dirt Series Point Fund: 1. $250,000, 2. $200,000, 3. $150,000, 4.$125,000, 5. $100,000, 6. $80,000, 7. $60,000, 8. $55,000, 9. $50,000, 10. $45,000, 11. $40,000, 12. $35,000, 13. $30,000, 14. $25,000, 15. $20,000 Points Fund: $1,265,000 Chase Bonuses: $66,000 Grand Total: $1,331,000 About Lucas Oil Late Model Dirt Series presented by FloRacing Founded in 2005, the Lucas Oil Late Model Dirt Series presented by FloRacing showcases the talents of the top dirt late model drivers from across the country. In 2025, the Lucas Oil Late Model Dirt Series will sanction 58 events across 16 states, including some of the biggest marquee events in the industry, providing dirt slinging, sideways, door-to-door racing action lap after lap. The series receives national exposure through a television package streamed live via FloRacing, with select broadcasts on RACER Network. The in your face excitement of the Lucas Oil Late Model Dirt Series presented by FloRacing is second to none in motorsports. For more information, including the latest news, tour schedule, driver information, and more, visit the official website at: www.LucasDirt.com. Official Marketing Partners Associate Marketing Partners Advanced Powder Coating, Behrent's Performance Warehouse, Black Diamond Chassis, Boyd Bilt Fabrication, Brodix, Capital Race Cars, Clements Racing Engines, Coltman Farms Racing, Dave Warren Powersports, Deatherage Opticians, DMI Rearends, Fast Shafts, Fire Suppression Engineering, FOX Shocks, Fresh Roof Shingle Rejuvenation, Heartbeat Hot Sauce, Heath Lawson Photography, Hellraizer Jacks, Hoker Trucking, Keyser Manufacturing, Longhorn Chassis, MD3, Mega Plumbing of the Carolinas, Midwest Sheet Metal, MSD, Outerwears, PEM - Performance Engineering Mfg, Penske Racing Shocks, ProFabrication Headers, Pro Power Racing Engines, Rocket Chassis, Schoenfeld Headers, Simpson Race Products, Slicker Graphics, Strange Oval, Swift Springs, Thermo-Tec Automotive Products, Vic Hill Race Engines, Victory Fuel, Wehrs Machine & Racing Products, Wilwood, Xceldyne, and 5150 Race Trailers

• 
  KTJ HITS STRIDE WITH $15,000 KNOXVILLE CORN BELT CLASH SCORE

  For Kevin Thomas Jr., Knoxville Raceway provided the perfect setting for a transformation weekend for both himself and his Rock Steady Racing team.

• 
  61! BACON’S KNOXVILLE TRIUMPH PUTS HIM ONE SHY OF USAC SPRINT RECORD

  The winningest USAC AMSOIL Sprint Car National Championship driver in the history of Iowa’s Knoxville Raceway did it yet again on Friday during the opening night of the Avanti Windows & Doors Corn Belt Clash.

• 
  CORN BELT CLASH! KNOXVILLE GREETS USAC SPRINTS MAY 30-31

  Each and every time a driver passes through turn two at Iowa’s Knoxville Raceway, the National Sprint Car Hall of Fame stands as a representation to what so many racers aspire to achieve.

• 
  Ryan Timms Jets to Another Knoxville Win!

  Ryan Timms survived an early duel with Austin McCarl and went on to win the 410 feature Saturday at the Knoxville Raceway on Dennison Tees/Jersey Freeze Night. The victory was the second of the year at Knoxville for the Oklahoma City, Oklahoma driver and earned him $6,000.

• 
  Brian Brown Tops Big Knoxville Field!

  Brian Brown scored win #68 in his storied career at the Knoxville Raceway on Saturday night in Knoxville Championship Series 410 action with 39 cars assembled.

• 
  Golden Play of the Week: Timms wins at Knoxville Raceway

  The golden play of the week comes from the 20-lap main event from the Knoxville Raceway. In lap three Brian Brown takes the lead, but Ryan Timms in the #10 takes the top spot back. Timms keeps the ...

• 
  Ryan Timms Breaks Through for First Knoxville Win!

  Oklahoma City's Ryan Timms set a blistering pace and held off Brian Brown to win his first ever feature event Saturday at the Knoxville Raceway in the 410's. Clint Garner won for the first time in almost three years in the Randall Roofing 360 class.

• 
  Rico Abreu Strikes For Second Time in a Row at Knoxville!

  An action packed CraigFord.com Season Opener at Knoxville Raceway Saturday was headlined by a Rico Abreu triumph for the second week in a row after topping the World of Outlaws here on April 19.

Knoxville Raceway Dirt Track Videos

• World of Outlaws NOS Energy Drink Sprint Cars | Knoxville Raceway | June 14, 2025 | HIGHLIGHTS
• World of Outlaws NOS Energy Drink Sprint Cars | Knoxville Raceway | June 13, 2025 | HIGHLIGHTS
• Brian Brown ROLLS - 2025 World of Outlaws @ Knoxville Raceway
• 𝑯𝑰𝑮𝑯𝑳𝑰𝑮𝑯𝑻𝑺: USAC AMSOIL National Sprint Cars | Knoxville Raceway | May 31, 2025
• Corn Belt Clash Finale | USAC Sprints at Knoxville Raceway 5/31/25 | Highlights
• LIVE: USAC National Sprint Car Championship at Knoxville Raceway
• 𝑯𝑰𝑮𝑯𝑳𝑰𝑮𝑯𝑻𝑺: USAC AMSOIL National Sprint Cars | Knoxville Raceway | May 30, 2025
• Corn Belt Clash Night #1 | USAC Sprints at Knoxville Raceway 5/30/25 | Highlights
• LIVE: USAC National Sprint Car Championship at Knoxville Raceway
• This Track Will Humble You - The True Knoxville Raceway Experience!
• Season Opener at Knoxville Raceway
• World of Outlaws NOS Energy Drink Sprint Cars | Knoxville Raceway | April 19, 2025 | HIGHLIGHTS
• Knoxville Raceway - 2025 June WoO ad
• Knoxville Raceway - 2025 USAC Ad
• Tanner Holmes pit work @ Knoxville Raceway 2023
• Riley Goodno arriving @ Knoxville Raceway 2023
• Knoxville Raceway Premier Chevy Dealers WoO-April 30sec Ad
• Knoxville Raceway Premier Chevy Dealers WoO-April 15sec Ad
• Knoxville Raceway Pella Motors/Kraig Ford Season Opener 30sec Ad
• Knoxville Raceway Pella Motors/Kraig Ford Season Opener 15sec Ad
• Knoxville Raceway 2024 Banquet Tyler Groenendyk

Knoxville Raceway Nearby Dirt Tracks

Distance information is direct (as the crow flies) - driving distance will differ due to road routes and things like lakes or mountains.

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  English Creek Speedway Race Track8 miles away - Knoxville, Iowa, USA
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  Southern Iowa Speedway Race Track23 miles away - Oskaloosa, Iowa, USA
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  Warren County Speedway Race Track24 miles away - Indianola, Iowa, USA
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  Newton Kart Klub Race Track24 miles away - Newton, Iowa, USA
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  Brooklyn Raceway Race Track42 miles away - Brooklyn, Iowa, USA
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  Keokuk County Expo Raceway Race Track48 miles away - Sigourney, Iowa, USA
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  Marshalltown Speedway Race Track50 miles away - Marshalltown, Iowa, USA
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  Dallas County Fairgrounds Race Track51 miles away - Adel, Iowa, USA
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  Bloomfield Speedway Race Track53 miles away - Bloomfield, Iowa, USA
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  Eldon Raceway Race Track54 miles away - Eldon, Iowa, USA
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  Boone Speedway Race Track62 miles away - Boone, Iowa, USA
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  Stuart Speedway Race Track64 miles away - Stuart, Iowa, USA
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  Scotland County Speedway Race Track76 miles away - Memphis, Missouri, USA
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  Benton County Speedway Race Track80 miles away - Vinton, Iowa, USA
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  Hamilton County Speedway Race Track86 miles away - Webster City, Iowa, USA
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  Adams County Speedway Race Track87 miles away - Corning, Iowa, USA
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  Carroll County Fairgrounds Race Track89 miles away - Coon Rapids, Iowa, USA
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  CJ Speedway Race Track90 miles away - Columbus Junction, Iowa, USA
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  Lee County Speedway Race Track93 miles away - Donnellson, Iowa, USA
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  Sports Park Raceway Race Track95 miles away - Fort Dodge, Iowa, USA

Knoxville Raceway Dirt Track Racing Organizations

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  ASCS - American Sprint Car Series Dirt Track Racing Organization
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  DIRTcar - DIRTcar Racing Dirt Track Racing Organization
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  LOLMDS - Lucas Oil Late Model Dirt Series Dirt Track Racing Organization
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  MB360SS - Malvern Bank 360 Sprint Series Dirt Track Racing Organization
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  POWRi - Performance Open Wheel Racing Inc Dirt Track Racing Organization
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  SLMR - Super Late Model Racing Dirt Track Racing Organization
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  USAC - United States Auto Club Dirt Track Racing Organization
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  WoO - World of Outlaws Dirt Track Racing Organization