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| 5/7/2021 | Outagamie Speedway - Seymour, WI 2021 Season Opener by Klink Equipment Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 4th | - | - | 21st (DNF) |
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| 5/14/2021 | Outagamie Speedway - Seymour, WI Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 9th (DNF) | - | DNS | - |
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| 5/21/2021 | Outagamie Speedway - Seymour, WI Night #3 Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Rain Out |
| 5/22/2021 | 141 Speedway - Maribel, WI 141 Championship Cup Race #6 Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Kropp (IMCA Stock Car) | 7th | - | 5th | - |
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| 5/29/2021 | 141 Speedway - Maribel, WI Nathan Bouche Memorial / $1,000.00 to Win Stock Cars Triple Creek Series / 141 Championship Cup #7 Stock Cars, Sportsmans, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Kropp (IMCA Stock Car) | 5th | - | 4th | 20th |
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| 6/4/2021 | Outagamie Speedway - Seymour, WI Old Glory Honor Flight Night at the Races/Police, Fire & EMS Night at the Races Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 7th | - | 2nd | 12th |
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| 6/11/2021 | Outagamie Speedway - Seymour, WI Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 7th | - | - | 9th |
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| 6/18/2021 | Outagamie Speedway - Seymour, WI MSA Sprints join the program 360 Sprints - Winged: Midwest Sprint Car Association Street Stocks, IMCA Modified, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 3rd | - | - | 6th |
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| 6/25/2021 | Outagamie Speedway - Seymour, WI 5 Divisions of FRIDAY NIGHT THUNDER Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 4th | - | - | 19th (DNF) |
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| 7/2/2021 | Outagamie Speedway - Seymour, WI SPEED & FIREWORKS on Independence Day Weekend at Outagamie Speedway Street Stocks, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 5th | - | 1st | 16th (DNF) |
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| 7/9/2021 | Outagamie Speedway - Seymour, WI Full FIVE division show Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 2nd | - | - | 10th |
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| 7/16/2021 | Outagamie Speedway - Seymour, WI 5 Divisions Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 1st | - | - | 12th |
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| 7/18/2021 | Luxy Raceway - Luxemburg, WI Eric Van Iten Memorial Night Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Kropp (IMCA Stock Car) | 6th (DNF) | - | 8th | - |
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| 7/21/2021 | 141 Speedway - Maribel, WI King of the Creek IV $10,000.00 to Win IMCA Stock Cars - Qualifying Sport Compact, IMCA Modified, IMCA Stock Car | Results | | Jeff Kropp (IMCA Stock Car) | 1st | - | - | 4th |
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| 7/22/2021 | 141 Speedway - Maribel, WI King of the Creek IV $10,000.00 to Win IMCA Stock Cars Stock Cars, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Kropp (IMCA Stock Car) | - | - | - | 22nd |
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| 7/30/2021 | Outagamie Speedway - Seymour, WI Racing History joins EWSC at Outagamie Speedway Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 4th | - | - | 5th |
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| 8/6/2021 | Outagamie Speedway - Seymour, WI FIVE TO THE CROWN Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 5th | - | - | 16th (DNF) |
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| 8/13/2021 | Outagamie Speedway - Seymour, WI Four to go.... Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 1st | - | - | 9th |
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| 8/20/2021 | Outagamie Speedway - Seymour, WI Two down, Three to go Street Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 6th | - | 1st | 10th |
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| 8/21/2021 | The Hill Raceway - Sturgeon Bay, WI Championship Night Stock Cars, A Modifieds, B Modifieds, Street Stocks, Dirt 4 cyl Modifieds | Results | | Jeff Kropp (Stock Cars) | 6th | - | 1st | 1st |
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| 8/29/2021 | Luxy Raceway - Luxemburg, WI Championship Night Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Kropp (IMCA Stock Car) | 2nd | - | - | 20th |
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| 9/18/2021 | Outagamie Speedway - Seymour, WI 2021 FALL BRAWL presented by KLINK EQUIPMENT Street Stocks, Dirt Late Models, Baby Grand, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Kropp (IMCA Stock Car) | 4th | - | - | 19th |
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