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| 4/14/2021 | Stuart Speedway - Stuart, IA Lucas Oil MLRA Late Models Dirt Super Late Models: Lucas Oil MLRA IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | James Tarter (IMCA Northern SportMod) | 4th | - | - | 14th (DNF) |
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| 4/17/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #2 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | James Tarter (IMCA Northern SportMod) | 10th | - | 6th | - |
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| 4/24/2021 | Dallas County Speedway (IA) - Adel, IA Season Opener / Kids Ride Night Hobby Stocks, Hornets, Enduro, Sport Compact, Figure 8 - FWD Stock, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | James Tarter (Enduro) | 1st | - | - | 1st |
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| 5/1/2021 | Dallas County Speedway (IA) - Adel, IA Race Night / Autograph Night / Veterans Night Hobby Stocks, Hornets, 600cc Modifieds, Enduro, Sport Compact, Figure 8 - FWD Stock, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | James Tarter (Enduro) | 1st | - | - | 1st |
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| 5/5/2021 | Stuart Speedway - Stuart, IA Bill Davis Memorial 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | James Tarter (IMCA Northern SportMod) | 8th (DNF) | - | - | 17th (DNF) |
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| 5/15/2021 | Dallas County Speedway (IA) - Adel, IA Race Night / T-Shirt Toss Night Hobby Stocks, Hornets, Enduro, Sport Compact, Figure 8 - FWD Stock, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | James Tarter (Enduro) | 3rd | - | - | 4th |
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| 5/22/2021 | Warren County Speedway - Indianola, IA Max Keller Memorial - Keller's Garage Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, Winged A-Class, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | James Tarter (Factory Stocks) | 1st | - | - | 2nd |
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| 5/28/2021 | Dallas County Speedway (IA) - Adel, IA Friday Night Race / Kids Bike Night Hobby Stocks, Hornets, 600cc Modifieds, Enduro, Sport Compact, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | James Tarter (Enduro) | 5th | - | - | 2nd |
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| 6/12/2021 | Dallas County Speedway (IA) - Adel, IA Race Night / Candy Toss Night Hobby Stocks, Hornets, Enduro, Sport Compact, Figure 8 - FWD Stock, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | James Tarter (Enduro) | 2nd | - | - | 2nd |
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| 6/19/2021 | Warren County Speedway - Indianola, IA Kids Night! - Bussanmas Heating & Cooling Factory Stocks, Hobby Stocks, Stock Cars, Winged A-Class, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact | Results | | James Tarter (Factory Stocks) | 4th | - | - | 2nd |
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| 7/3/2021 | Dallas County Speedway (IA) - Adel, IA Red, White and Blue Race Night / Fireworks Hobby Stocks, Hornets, Enduro, Sport Compact, Super Stocks, Figure 8 - FWD Stock, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | James Tarter (Enduro) | 3rd | - | - | 2nd |
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| 7/10/2021 | Dallas County Speedway (IA) - Adel, IA Dallas County Fair Race Night Hobby Stocks, Hornets, Enduro, Sport Compact, Super Stocks, Figure 8 - FWD Stock, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | James Tarter (Enduro) | 1st | - | - | - |
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| 7/17/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #14 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | James Tarter (IMCA Northern SportMod) | 8th | - | 8th (DNF) | - |
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| 7/24/2021 | Dallas County Speedway (IA) - Adel, IA Race Night / Candy Toss Night Hobby Stocks, Hornets, Enduro, Sport Compact, Super Stocks, Figure 8 - FWD Stock, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | James Tarter (Enduro) | 2nd | - | - | 1st |
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| 7/30/2021 | Warren County Speedway - Indianola, IA Warren County Fair Race! Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, Winged A-Class, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | James Tarter (Factory Stocks) | 3rd | - | - | 2nd | | James Tarter (Stock Cars) | - | - | - | 7th |
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| 7/31/2021 | Boone Speedway - Boone, IA Salute to Veterans/Saturday Night Series Weekly #16 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | James Tarter (IMCA Northern SportMod) | 6th | - | 9th | - |
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| 8/6/2021 | Dallas County Speedway (IA) - Adel, IA Friday Night Race - Rain Date Hobby Stocks, Hornets, Enduro, Sport Compact, Figure 8 - FWD Stock, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | James Tarter (Enduro) | 1st | - | - | - |
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| 8/11/2021 | Stuart Speedway - Stuart, IA Season Championship 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | James Tarter (IMCA Northern SportMod) | 8th | - | - | 14th |
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| 8/21/2021 | Warren County Speedway - Indianola, IA Season Championship - TruBank Bike Giveaway - Double Feature's! Factory Stocks, Hobby Stocks, Stock Cars, Sportsmans, Winged A-Class, Street Stocks, Hornets, Dirt Pro Trucks, Sport Compact, Super Stocks | Results | | James Tarter (Factory Stocks) | - | - | - | 1st |
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| 9/30/2021 | Cedar County Raceway - Tipton, IA Hoker Trucking Darkside Fall Bash IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | James Tarter (IMCA Northern SportMod) | 9th | - | 6th | - |
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| 10/1/2021 | Cedar County Raceway - Tipton, IA Hoker Trucking Darkside Fall Bash 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | James Tarter (IMCA Northern SportMod) | 5th | - | 11th | - |
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| 10/2/2021 | Cedar County Raceway - Tipton, IA Hoker Trucking Darkside Fall Bash Street Stocks, Vintage Full Body Stock Cars, Super Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | James Tarter (Super Stocks) | 4th | - | - | 5th | | James Tarter (IMCA Northern SportMod) | 8th | - | 10th | - |
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