| | Heat | Dash | B Feature | A Feature |
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| 2/11/2021 | Arizona Speedway - Queen Creek, AZ Superstition Showdown Practice Night IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Steve Duffy (IMCA Northern SportMod) | - | - | - | - |
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| 2/27/2021 | Central Arizona Raceway - Casa Grande, AZ Weekly Racing Stock Cars, A Modifieds, B Modifieds, Pure Stock | Results | | Steve Duffy (B Modifieds) | 3rd | - | - | 9th |
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| 3/13/2021 | Central Arizona Raceway - Casa Grande, AZ 11 Mile Corner Reunion Stock Cars, A Modifieds, B Modifieds, Pure Stock | Results | | Steve Duffy (B Modifieds) | 6th | - | 4th | 15th |
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| 4/10/2021 | Central Arizona Raceway - Casa Grande, AZ Weekly Racing Stock Cars, A Modifieds, B Modifieds, 360 Non-Winged Senior Sprints | Results | | Steve Duffy (B Modifieds) | 6th | - | 5th | 15th |
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| 5/1/2021 | Canyon Speedway Park - Peoria, AZ Hobby Stocks, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Steve Duffy (Limited Sport Mod) | 5th | - | - | 9th |
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| 5/8/2021 | Arizona Speedway - Queen Creek, AZ Mothers Day Special Hobby Stocks, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Steve Duffy (IMCA Northern SportMod) | 5th | - | - | 11th |
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| 5/30/2021 | Arizona Speedway - Queen Creek, AZ 9th Annual John Morris Classic Dirt Super Late Models, Hobby Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Steve Duffy (IMCA Northern SportMod) | 8th | - | - | 11th (DNF) |
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| 7/2/2021 | Fairgrounds Speedway Cortez - Cortez, CO POWRi Desert Winged Sprints at Fairgrounds Speedway Cortez Midgets: POWRi 360 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Hornets, 600cc Modifieds, Limited Sport Mod, Sport Compact | Results | | Steve Duffy (Limited Sport Mod) | 6th | - | - | 16th (DNF) |
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| 7/3/2021 | Fairgrounds Speedway Cortez - Cortez, CO POWRi Desert Winged Sprints at Fairgrounds Speedway Cortez Midgets: POWRi 360 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Hornets, 600cc Modifieds, Limited Sport Mod, Sport Compact | Results | | Steve Duffy (Limited Sport Mod) | 5th (DNF) | - | - | 15th |
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| 8/13/2021 | Fairgrounds Speedway Cortez - Cortez, CO NORTHERN NIGHTS Midgets, Hobby Stocks, Street Stocks, Hornets, 600cc Modifieds, Limited Modified, Limited Sport Mod, Sport Compact, Mod Lites | Results | | Steve Duffy (Limited Sport Mod) | 4th | - | - | 12th |
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| 8/14/2021 | Fairgrounds Speedway Cortez - Cortez, CO Winged A-Class: NOW600 A-Class Micros Stock Non-Wing: NOW600 Non-Wing Micros Hobby Stocks, Street Stocks, Hornets, 600cc Modifieds, Limited Modified, Limited Sport Mod, Sport Compact, Mod Lites | Results | | Steve Duffy (Limited Sport Mod) | DNS | - | - | DNS |
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| 8/28/2021 | Arizona Speedway - Queen Creek, AZ Bobbi Engle's Summer Slam Dirt Super Late Models, Hobby Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Steve Duffy (IMCA Northern SportMod) | 6th | - | - | 11th |
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| 9/18/2021 | Arizona Speedway - Queen Creek, AZ IMCA Championship Night Hobby Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Steve Duffy (IMCA Northern SportMod) | 5th | - | - | 11th (DNF) |
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| 10/9/2021 | Arizona Speedway - Queen Creek, AZ Weekly Racing Dirt Super Late Models, Hobby Stocks, Dwarf, IMCA Northern SportMod, IMCA Stock Car | Results | | Steve Duffy (IMCA Northern SportMod) | 6th | - | - | 18th (DNF) |
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| 10/16/2021 | Central Arizona Raceway - Casa Grande, AZ Weekly Racing at Central Arizona Speedway Stock Cars, A Modifieds, B Modifieds, Pure Stock | Results | | Steve Duffy (B Modifieds) | 6th | - | - | 18th |
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