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| 4/9/2021 | Lincoln Speedway - Lincoln, IL Fall Nationals 2020 Makeup Dirt Super Late Models, DIRTcar UMP Modifieds, B Modifieds, Hornets | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 6th | - | - | 9th |
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| 4/16/2021 | Lincoln Speedway - Lincoln, IL 2021 Door Buster Part 2 305 Sprints - Winged, Economy Midgets, DIRTcar UMP Modifieds, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 6th | - | - | 11th |
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| 4/30/2021 | Lincoln Speedway - Lincoln, IL $1 Dogs & $2 Beers Economy Midgets, DIRTcar UMP Modifieds, Street Stocks, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 6th | - | - | 10th (DNF) |
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| 5/7/2021 | Lincoln Speedway - Lincoln, IL USAC Engler IMRA SpeeD2 Midgets Midgets, Economy Midgets, DIRTcar UMP Modifieds, Sportsmans, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 2nd | - | - | 9th |
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| 5/21/2021 | Lincoln Speedway - Lincoln, IL Vintage Racing of Illinois Economy Midgets, DIRTcar UMP Modifieds, Street Stocks, Vintage Full Body Stock Cars, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 5th | - | - | 10th |
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| 5/22/2021 | Macon Speedway - Macon, IL Kids Bike Giveaway DIRTcar UMP Modifieds, DIRTcar Sportsmans, Winged Outlaw, B Modifieds, Street Stocks, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 1st | - | - | 7th |
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| 6/4/2021 | Lincoln Speedway - Lincoln, IL 6th Annual Hornet Challenge Economy Midgets, DIRTcar UMP Modifieds, Sportsmans, B Modifieds, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 2nd | - | - | 6th |
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| 7/3/2021 | Brownstown Bullring - Brownstown, IL $3000 to win $200 to start DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals with Summit American Modified Series | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 6th | - | 6th | - |
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| 7/4/2021 | Lincoln Speedway - Lincoln, IL DIRTcar Summer Nationals Hell Tour "Graue Chevrolet Showdown" with FIREWORKS!!! DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals 305 Sprints - Winged, Dirt Super Late Models | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 3rd | - | - | 13th |
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| 7/8/2021 | Macon Speedway - Macon, IL Herald & Review 100 Featuring the Summer Nationals Hell Tour DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals B Modifieds | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 5th | - | 3rd | - |
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| 7/17/2021 | Highland Speedway - Highland, IL Donnewald Distributing Night DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 6th | - | - | DNS |
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| 7/17/2021 | Oakshade Raceway - Wauseon, OH Birthday Race DIRTcar Summer Nationals DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals Factory Stocks | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | - | - | DNS | - |
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| 7/25/2021 | Lincoln Speedway - Lincoln, IL USAC Engler IMRA SpeeD2 Midgets 410 Sprints - Winged, Economy Midgets, DIRTcar UMP Modifieds, Street Stocks, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 4th | - | - | 9th |
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| 8/14/2021 | Macon Speedway - Macon, IL HART Non Wing Micros DIRTcar UMP Modifieds, Non-Wing Outlaw, Stock Non-Wing, B Modifieds, Street Stocks, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 3rd | - | - | 15th |
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| 8/20/2021 | Lincoln Speedway - Lincoln, IL Night Before State Fair Race 410 Sprints - Winged: MOWA-Midwest Open Wheel Association Economy Midgets, DIRTcar UMP Modifieds, Hornets, 600cc Modifieds, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 5th | - | - | 7th |
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| 8/27/2021 | Lincoln Speedway - Lincoln, IL Brandt Season Championships Food & Drink Specials Economy Midgets, DIRTcar UMP Modifieds, Sportsmans, Street Stocks, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 4th | - | - | 7th |
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| 8/28/2021 | Macon Speedway - Macon, IL Skeff Distributing presents IMRA Midgets / Hornet World Championships Economy Midgets, DIRTcar UMP Modifieds, Winged Outlaw, Winged A-Class, B Modifieds, Street Stocks, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 3rd | - | - | 19th |
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| 9/11/2021 | Macon Speedway - Macon, IL 98.1 Griz FM night featuring Vintage Racing of Ilinois Macon Speedway Hall of Fame Drivers DIRTcar UMP Modifieds, Winged Outlaw, Winged A-Class, B Modifieds, Street Stocks, Hornets, Pro Late Model | Results | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 2nd | - | - | 6th |
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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 | | Carter Sinkhorn (DIRTcar UMP Modifieds) | - | - | - | - |
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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 | | Carter Sinkhorn (DIRTcar UMP Modifieds) | 4th | - | - | 23rd |
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