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| 5/8/2021 | Plymouth Speedway - Plymouth, IN HARF Night DIRTcar UMP Modifieds, Super Sports, Stock Non-Wing, Street Stocks | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 5th | - | - | 19th |
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| 5/14/2021 | Hartford Speedway - Hartford, MI Open Practice 360 Sprints - Winged, Hobby Stocks, Stock Cars, B Modifieds | Results | | Bobby Stremme (B Modifieds) | - | - | - | - |
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| 5/15/2021 | Plymouth Speedway - Plymouth, IN Klotz / Cometic Mod Klash!! $5,000 to Win Mods! DIRTcar UMP Modifieds, Asphalt Mini Stocks, Street Stocks | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 2nd | - | - | 6th |
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| 5/21/2021 | Hartford Speedway - Hartford, MI Opening Night at Hartford Speedway! DIRTcar UMP Modifieds, Hobby Stocks, Stock Cars | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 1st | - | - | 4th |
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| 6/4/2021 | Kalamazoo Speedway - Kalamazoo, MI Covid Klash XXVIII Asphalt Super Late Models, Asphalt Street Stocks | Results | | Bobby Stremme (Asphalt Street Stocks) | - | - | - | 9th |
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| 6/5/2021 | Plymouth Speedway - Plymouth, IN World of Outlaw Late Models ~ Mods & 4 Cyl Dirt Super Late Models: World of Outlaws - Late Models DIRTcar UMP Modifieds, Asphalt Mini Stocks | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 1st | - | - | 1st |
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| 6/12/2021 | Plymouth Speedway - Plymouth, IN 3rd Annual Charlie Poague Memorial Race Presented by ILVDIRT DIRTcar UMP Modifieds, Super Sports, Street Stocks | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 4th | - | - | 3rd |
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| 6/18/2021 | Hartford Speedway - Hartford, MI Cyber Stock Special Night DIRTcar UMP Modifieds, Hobby Stocks, Stock Cars | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 5th | - | - | 6th |
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| 6/19/2021 | New Paris Speedway - New Paris, IN Mid Season Championships and Fireworks Factory Stocks, Asphalt Mini Stocks, Roadsters, Economy Late Models, Asphalt 4-Cylinders, Asphalt Street Stocks | Results | | Bobby Stremme (Economy Late Models) | 1st | - | - | 1st |
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| 7/2/2021 | Hartford Speedway - Hartford, MI 4th of July Celebration DIRTcar UMP Modifieds, Hobby Stocks, Stock Cars | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 2nd | - | - | 1st |
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| 7/7/2021 | Spoon River Speedway - Canton, IL DIRTCAR SUMMER NATIONALS DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 5th | - | 2nd | - |
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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 | | Bobby Stremme (DIRTcar UMP Modifieds) | 2nd | - | - | 2nd |
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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 | | Bobby Stremme (DIRTcar UMP Modifieds) | 2nd | - | - | 6th |
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| 7/30/2021 | Fairbury Speedway - Fairbury, IL PRAIRIE DIRT CLASSIC Dirt Super Late Models: World of Outlaws - Late Models DIRTcar UMP Modifieds: DIRTcar Modified Nationals | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 3rd | - | - | - |
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| 7/31/2021 | Fairbury Speedway - Fairbury, IL PRAIRIE DIRT CLASSIC Dirt Super Late Models: World of Outlaws - Late Models DIRTcar UMP Modifieds: DIRTcar Modified Nationals DIRTcar Late Models | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 3rd | - | - | 4th |
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| 8/7/2021 | Plymouth Speedway - Plymouth, IN Saturday Night Event DIRTcar UMP Modifieds, Asphalt Mini Stocks, Stock Non-Wing, Street Stocks | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 3rd | - | - | 11th |
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| 8/13/2021 | Hartford Speedway - Hartford, MI 360 Sprints - Winged: GLSS-Great Lakes Super Sprints DIRTcar UMP Modifieds, Hobby Stocks, Stock Cars | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 2nd | - | - | 5th |
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| 9/3/2021 | Hartford Speedway - Hartford, MI 410 Sprints - Winged: FASTonDIRT DIRTcar UMP Modifieds, Hobby Stocks, Stock Cars | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 3rd | - | - | 4th |
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| 9/4/2021 | Fairbury Speedway - Fairbury, IL $10,000 to win $500 to start DIRTcar UMP Modifieds: Summit American Modified Series DIRTcar Late Models | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 3rd | - | 2nd | 24th (DNF) |
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| 10/9/2021 | Fairbury Speedway - Fairbury, IL FALS Frenzy DIRTcar Late Models, DIRTcar UMP Modifieds, Pro Late Model | Results | | Bobby Stremme (DIRTcar UMP Modifieds) | 5th | - | 2nd | 19th (DNF) |
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| 10/16/2021 | Kokomo Speedway - Kokomo, IN Kokomo Klash XV 305 Sprints - Winged, Dirt Super Late Models, A Modifieds, Street Stocks, Hornets, Super Stocks | Results | | Bobby Stremme (A Modifieds) | - | - | - | - |
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