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| 4/3/2021 | Slinger Super Speedway - Slinger, WI 2020 Awards Banquet/ 2021 Registration Asphalt Late Models, Asphalt Super Late Models, Asphalt Mini Stocks, Sportsmans, Outlaws, Pro Legends, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Sport Mods, Asphalt Figure 8 Stock Cars, Asphalt Sport Trucks, Sport Compact, Outlaw Hobby Stocks, Honda Challenge, Figure 8 - FWD-Open | Results | | Kevin Seidler (Asphalt Sport Mods) | - | - | - | - |
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| 4/25/2021 | Slinger Super Speedway - Slinger, WI Big 8 Series 88 Asphalt Late Models, Sportsmans, Asphalt 4-Cylinders, Asphalt Sport Mods, Asphalt Figure 8 Stock Cars, Sport Compact | Results | | Kevin Seidler (Asphalt Sport Mods) | 7th (DNF) | - | - | 6th (DNF) |
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| 5/8/2021 | Dells Raceway Park - Wisconsin Dells, WI Midwest Lifestyles Construction 59th Season Opener 6pm Asphalt Late Models, Midwest Modifieds, Bandits, Asphalt Sportsman Late Models | Results | | Kevin Seidler (Midwest Modifieds) | 4th | - | - | 17th |
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| 5/22/2021 | Dells Raceway Park - Wisconsin Dells, WI Southern Aprons Challenge Night-Tribute to Johnny Ziegler-Full Program of Racing 6pm Asphalt Late Models, Midwest Modifieds, Pro Legends, Asphalt Pure Stocks | Results | | Kevin Seidler (Midwest Modifieds) | - | - | - | 13th |
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| 5/29/2021 | LaCrosse Fair Speedway - West Salem, WI Buck Night Asphalt Late Models, Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, Super Sports, Street Stocks, Economy Late Models, Asphalt 4-Cylinders | Results | | Kevin Seidler (Sportsmans) | 6th | - | - | 6th | | Kevin Seidler (Super Sports) | - | 6th | - | - |
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| 6/5/2021 | Dells Raceway Park - Wisconsin Dells, WI Dairyland 100 Alive for 5 Race #2 6pm Asphalt Super Late Models, Midwest Modifieds, Asphalt Sport Mods | Results | | Kevin Seidler (Midwest Modifieds) | 3rd | - | - | 13th |
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| 6/19/2021 | Dells Raceway Park - Wisconsin Dells, WI Apollo Tool Night-CWRA Super Late Models 6pm Asphalt Late Models, Stock Cars, Midwest Modifieds, Bandits, Asphalt Mini Trucks | Results | | Kevin Seidler (Midwest Modifieds) | 2nd | - | - | 10th |
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| 7/4/2021 | Slinger Super Speedway - Slinger, WI Mopar Night Asphalt Late Models, Sportsmans, Asphalt 4-Cylinders, Asphalt Street Stocks, Asphalt Sport Mods, Asphalt Figure 8 Stock Cars, Honda Challenge | Results | | Kevin Seidler (Asphalt Sport Mods) | 6th | - | - | 8th (DNF) |
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| 7/24/2021 | Dells Raceway Park - Wisconsin Dells, WI Incredible Cars of Cross Plains 50-Weekly Racing Divisions 6PM Asphalt Late Models, Midwest Modifieds, Bandits, Generic 1, Junior 2 Animal Asphalt Karting | Results | | Kevin Seidler (Midwest Modifieds) | 7th | - | - | 13th |
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| 8/7/2021 | Dells Raceway Park - Wisconsin Dells, WI Weaver Auto Value Late Model 50-Racing 6PM Asphalt Late Models, Midwest Modifieds, Bandits, Pro Legends, Generic 1 | Rain Out |
| 8/21/2021 | Dells Raceway Park - Wisconsin Dells, WI SIX08 Graphics Late Model 50-5 Divisions of Racing 6pm Asphalt Late Models, Midwest Modifieds, Bandits, Pro Legends, Junior 2 Animal Asphalt Karting | Results | | Kevin Seidler (Midwest Modifieds) | 6th | - | - | 16th |
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| 9/11/2021 | Dells Raceway Park - Wisconsin Dells, WI Kalahari Resorts 2021 Season Championship Night Asphalt Late Models, Midwest Modifieds, Bandits, Pro Legends, Asphalt Sportsman Late Models | Results | | Kevin Seidler (Midwest Modifieds) | 5th | - | - | 13th |
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| 9/19/2021 | Slinger Super Speedway - Slinger, WI Wisconsin Invitational Bracket Generic 2, Honda Challenge | Results | | Kevin Seidler (Honda Challenge) | 2nd | - | - | 9th |
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| 9/24/2021 | Dells Raceway Park - Wisconsin Dells, WI Midwest Championship Weekend Friday Dave Rottiger Memorial Asphalt Late Models, Stock Cars, Midwest Modifieds, Bandits, Pro Legends, Asphalt Sportsman Late Models | Rain Out |
| 10/7/2021 | LaCrosse Fair Speedway - West Salem, WI Oktoberfest Race Weekend Asphalt Late Models, Asphalt Super Late Models, Dirt Super Late Models, Sportsmans, A Modifieds, Asphalt 4-Cylinders, Asphalt Stock Cars, Asphalt Limited Late Models | Results | | Kevin Seidler (Sportsmans) | - | - | - | - |
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| 12/11/2021 | Dells Raceway Park - Wisconsin Dells, WI DRP Season Championship Banquet Chula Vista Resort 5pm Asphalt Late Models, Midwest Modifieds, Bandits, Pro Legends, Asphalt Sportsman Late Models, Asphalt Pure Stocks, Train Racing, Generic 1 | Results | | Kevin Seidler (Midwest Modifieds) | - | - | - | - |
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