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| 4/2/2021 | Farmer City Raceway - Farmer City, IL Triple Qualifying Features $600 to win $100 to start Dirt Super Late Models: World of Outlaws - Late Models DIRTcar UMP Modifieds: Summit American Modified Series Street Stocks, Dirt Late Models, Pro Late Model | Results | | Billy Knippenberg (Pro Late Model) | 1st | - | - | 5th |
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| 4/3/2021 | Farmer City Raceway - Farmer City, IL $2500 to win $150 to start Dirt Super Late Models: World of Outlaws - Late Models DIRTcar UMP Modifieds: Summit American Modified Series Dirt Late Models, Pro Late Model, CRUSA Dirt Late Models | Results | | Billy Knippenberg (Pro Late Model) | 3rd | - | - | 7th |
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| 4/9/2021 | Farmer City Raceway - Farmer City, IL Weekly night plus Pro Mods DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, Pro Late Model, DIRTcar Pro Modifieds | Results | | Billy Knippenberg (Pro Late Model) | 3rd | - | - | 8th |
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| 4/16/2021 | Farmer City Raceway - Farmer City, IL Friday Weekly Races DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, Hornets, Pro Late Model | Results | | Billy Knippenberg (Pro Late Model) | 3rd | - | - | 2nd |
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| 4/23/2021 | Farmer City Raceway - Farmer City, IL Renegade Modified Series + Full Show DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, Pro Late Model | Results | | Billy Knippenberg (Pro Late Model) | 3rd | - | - | 8th |
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| 4/30/2021 | Farmer City Raceway - Farmer City, IL Full Show Plus Pro Mods DIRTcar UMP Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Pro Late Model | Results | | Billy Knippenberg (Pro Late Model) | 3rd | - | - | 4th |
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| 5/7/2021 | Farmer City Raceway - Farmer City, IL Full Show Plus Hornets DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, Hornets, Pro Late Model | Results | | Billy Knippenberg (Pro Late Model) | DNS | - | - | DNS |
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| 5/14/2021 | Farmer City Raceway - Farmer City, IL Farmer City 74 DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, Pro Late Model | Results | | Billy Knippenberg (Pro Late Model) | 2nd | - | - | 3rd |
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| 5/29/2021 | Fairbury Speedway - Fairbury, IL FALS Cup Weekly Racing, Earl J Hubert Memorial Street Stock Special DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, Street Stocks, Pro Late Model | Results | | Billy Knippenberg (Pro Late Model) | 4th | - | - | 13th |
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| 8/6/2021 | Farmer City Raceway - Farmer City, IL 6th What Up Dog 40 + Kid Mods DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, Pro Late Model | Results | | Billy Knippenberg (Pro Late Model) | 3rd | - | - | DNS |
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| 9/30/2021 | Lincoln Speedway - Lincoln, IL DirtCar Fall Nationals Practice 5:00 p.m. to 8:00 p.m. DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sport Compact, DIRTcar Pro Modifieds, DIRTcar Stock Car, DIRTcar Pro Late Models | Results | | Billy Knippenberg (DIRTcar Pro Late Models) | - | - | - | - |
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| 10/1/2021 | Lincoln Speedway - Lincoln, IL DIRTcar Fall Nationals DIRTcar UMP Modifieds, DIRTcar Pro Modifieds, DIRTcar Stock Car, DIRTcar Pro Late Models | Results | | Billy Knippenberg (DIRTcar Pro Late Models) | 1st | - | - | 5th |
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| 10/2/2021 | Lincoln Speedway - Lincoln, IL DIRTcar Fall Nationals DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sport Compact, DIRTcar Pro Modifieds, DIRTcar Pro Late Models | Results | | Billy Knippenberg (DIRTcar Pro Late Models) | 2nd | - | - | 3rd |
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| 10/9/2021 | Fairbury Speedway - Fairbury, IL FALS Frenzy DIRTcar Late Models, DIRTcar UMP Modifieds, Pro Late Model | Results | | Billy Knippenberg (Pro Late Model) | 3rd | - | - | 9th |
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