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| 4/2/2021 | Lee County Speedway - Donnellson, IA Sprint Invaders - Lee County Speedway 360 Sprints - Winged, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | - | - | - | - |
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| 4/16/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Modified) | 7th | - | - | 10th |
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| 4/23/2021 | Lee County Speedway - Donnellson, IA Season Points Kick-Off IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | 1st | - | - | 3rd | | Mark Burgtorf (IMCA Modified) | 2nd | - | - | 2nd |
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| 4/24/2021 | 34 Raceway - West Burlington, IA Mt. Dew Season Kick-Start 305 Sprints - Winged, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | Mark Burgtorf (A Modifieds) | 2nd | - | - | 4th | | Mark Burgtorf (Dirt Late Models) | 4th | - | - | 2nd |
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| 4/30/2021 | Lee County Speedway - Donnellson, IA Driver For 5 Qualifier IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | 4th | - | - | 9th | | Mark Burgtorf (IMCA Modified) | 1st | - | - | 7th |
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| 5/1/2021 | 34 Raceway - West Burlington, IA 101.7 The Bull Night 305 Sprints - Winged, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | Mark Burgtorf (Dirt Late Models) | 2nd | - | - | 2nd |
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| 5/7/2021 | Lee County Speedway - Donnellson, IA Buford Dozing & Excavating Weekly Points Night IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | 1st | - | - | 1st | | Mark Burgtorf (IMCA Modified) | 4th | - | - | 6th |
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| 5/14/2021 | Lee County Speedway - Donnellson, IA Driver For 5 Qualifier IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | 3rd | - | - | 5th | | Mark Burgtorf (IMCA Modified) | 2nd | - | - | 5th |
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| 5/22/2021 | Independence Motor Speedway - Independence, IA Myers Polaris Night DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, Stock Non-Wing, B Modifieds, Dirt Late Models | Results | | Mark Burgtorf (A Modifieds) | 3rd | - | - | 8th |
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| 5/29/2021 | 34 Raceway - West Burlington, IA DoneRight.TV Night - Draw Re-Draw Special 305 Sprints - Winged, Dirt Super Late Models, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod | Results | | Mark Burgtorf (A Modifieds) | 3rd | - | - | 3rd | | Mark Burgtorf (Dirt Late Models) | 5th | - | - | 6th |
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| 6/4/2021 | Davenport Speedway - Davenport, IA Weekly Racing w/SLMR Late Models presented by HalaBuilt Competition Engines Dirt Super Late Models: SLMR Late Model Series A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Mark Burgtorf (Dirt Super Late Models) | 6th | - | 5th | 24th |
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| 6/5/2021 | 34 Raceway - West Burlington, IA George's Lawnmower presents Hoker Trucking SLMR Late Model Series Dirt Super Late Models: SLMR Late Model Series Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Mark Burgtorf (Dirt Super Late Models) | 1st | - | - | 10th | | Mark Burgtorf (A Modifieds) | 1st | - | - | 3rd |
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| 6/11/2021 | Lee County Speedway - Donnellson, IA Driver For 5 Qualifier IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | 1st | - | - | 3rd | | Mark Burgtorf (IMCA Modified) | 4th | - | - | 4th |
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| 6/12/2021 | 34 Raceway - West Burlington, IA Pepsi $5 Fan Appreciation Night Dirt Super Late Models, Stock Cars, A Modifieds, Dirt Late Models, 2WD Trucks, Limited Sport Mod, Sport Compact | Results | | Mark Burgtorf (Dirt Late Models) | 2nd | - | - | 3rd |
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| 7/1/2021 | Stuart Speedway - Stuart, IA Ron Little Memorial IMCA Modified: Midwest Madness Tour 600cc Modifieds, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Modified) | 5th | - | 1st | 24th (DNF) |
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| 7/2/2021 | Lee County Speedway - Donnellson, IA Pilot Grove Savings Bank Driver For 5 Qualifier IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | 2nd | - | - | 8th | | Mark Burgtorf (IMCA Modified) | 3rd | - | - | 4th |
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| 7/3/2021 | Lee County Speedway - Donnellson, IA Drive For 5 Qualifier A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Mark Burgtorf (A Modifieds) | 4th | - | - | 2nd | | Mark Burgtorf (Dirt Late Models) | 1st | - | - | 5th |
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| 7/17/2021 | Independence Motor Speedway - Independence, IA West Edge Auto Iowa Donor Night DIRTcar Sport Compact, Hobby Stocks, Stock Cars, A Modifieds, Stock Non-Wing, B Modifieds, Dirt Late Models | Results | | Mark Burgtorf (A Modifieds) | 1st | - | - | 16th (DNF) |
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| 7/23/2021 | Lee County Speedway - Donnellson, IA Conn Communication Weekly Points Night IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | 2nd | - | - | 2nd | | Mark Burgtorf (IMCA Modified) | 2nd | - | - | 2nd |
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| 7/24/2021 | 34 Raceway - West Burlington, IA Sonny's Market Night 305 Sprints - Winged, Dirt Super Late Models, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | Mark Burgtorf (Dirt Late Models) | 2nd | - | - | 2nd |
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| 8/6/2021 | Lee County Speedway - Donnellson, IA KQ92 Driver For 5 Qualifier Dirt Mini Trucks, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | 1st | - | - | 10th | | Mark Burgtorf (IMCA Modified) | 5th | - | - | 6th |
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| 8/7/2021 | 34 Raceway - West Burlington, IA High 5 for Kids Night Presented by The New Mix 107.3 305 Sprints - Winged, Dirt Super Late Models, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | Mark Burgtorf (A Modifieds) | 2nd | - | - | 5th | | Mark Burgtorf (Dirt Late Models) | 1st | - | - | 1st |
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| 8/13/2021 | CJ Speedway - Columbus Junction, IA CJ Speedway 2021 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Modified) | 4th | - | - | 2nd |
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| 8/19/2021 | CJ Speedway - Columbus Junction, IA SLMRA Late Models Plus Imca Sport Mods, Imca Stock Cars and Imca Modified Dirt Super Late Models: SLMR Late Model Series IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Mark Burgtorf (Dirt Super Late Models) | 1st | - | - | 13th |
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| 8/20/2021 | Lee County Speedway - Donnellson, IA Sprint Invaders - Lee County Speedway 360 Sprints - Winged: Sprint Invaders IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Modified) | 5th | - | - | 4th |
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| 8/21/2021 | 34 Raceway - West Burlington, IA Frontline Genetics Night featuring Sprint Invaders 360 Sprints - Winged: Sprint Invaders Dirt Super Late Models, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Mark Burgtorf (A Modifieds) | 4th | - | - | 5th |
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| 8/27/2021 | Lee County Speedway - Donnellson, IA Golden Eagle Distributing Season Championship Night Vintage Full Body Stock Cars, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | 4th | - | - | 5th | | Mark Burgtorf (IMCA Modified) | 5th | - | - | 2nd |
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| 8/28/2021 | 34 Raceway - West Burlington, IA Pepsi Season Championship - $5 Fan Appreciation 305 Sprints - Winged, Stock Cars, A Modifieds, Dirt Late Models, 2WD Trucks, Limited Sport Mod, Sport Compact | Results | | Mark Burgtorf (Dirt Late Models) | 1st | - | - | 1st |
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| 9/4/2021 | 300 Raceway - Farley, IA 300 Raceway - The Yankee - EAST/WEST Dirt Super Late Models: SLMR Late Model Series Stock Cars, A Modifieds, B Modifieds | Results | | Mark Burgtorf (A Modifieds) | 3rd | - | - | 21st |
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| 9/11/2021 | Lee County Speedway - Donnellson, IA Sprint Invaders - Lee County Speedway 360 Sprints - Winged: Sprint Invaders Dirt Mini Trucks, B Modifieds, IMCA Late Models, Sport Compact | Results | | Mark Burgtorf (IMCA Late Models) | 4th | - | - | 5th |
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| 10/7/2021 | Lee County Speedway - Donnellson, IA Test and Tune 10-7 IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Canceled |
| 10/8/2021 | Lee County Speedway - Donnellson, IA Casey's Harvest Hustle Night 1 Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Mark Burgtorf (A Modifieds) | 3rd | - | - | 6th | | Mark Burgtorf (Dirt Late Models) | 2nd | - | - | 8th |
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| 10/9/2021 | Lee County Speedway - Donnellson, IA Casey's Harvest Hustle Night 2 Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Mark Burgtorf (A Modifieds) | 1st | - | - | 1st | | Mark Burgtorf (Dirt Late Models) | 1st | - | - | 3rd |
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| 11/20/2021 | Lee County Speedway - Donnellson, IA Casey's and Midwest Performance & Power Shiverfest Stock Cars, Dirt Mini Trucks, A Modifieds, B Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Sport Compact | Results | | Mark Burgtorf (A Modifieds) | 4th | - | - | 6th |
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