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| 2/27/2021 | Arizona Speedway - Queen Creek, AZ Weekly Racing Dirt Super Late Models, Hobby Stocks, Dirt Late Models, Dwarf, 600cc Modifieds, IMCA Stock Car | Results | | Mathew Triefenbach (600cc Modifieds) | 1st | - | - | 6th |
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| 3/6/2021 | Canyon Speedway Park - Peoria, AZ Opening Night for the 2021 Regular Season Hobby Stocks, Stock Cars, A Modifieds, 600cc Modifieds, Limited Sport Mod, Sport Compact | Results | | Mathew Triefenbach (600cc Modifieds) | - | - | - | 8th |
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| 3/13/2021 | Arizona Speedway - Queen Creek, AZ Non-Winged Sprints: San Tan Ford ASCS Desert Sprint Car Series 410 Sprints - Winged, Hobby Stocks, 600cc Modifieds, IMCA Stock Car | Rain Out |
| 5/8/2021 | Arizona Speedway - Queen Creek, AZ Mothers Day Special Hobby Stocks, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Mathew Triefenbach (600cc Modifieds) | 2nd | - | - | 4th |
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| 5/15/2021 | Canyon Speedway Park - Peoria, AZ Hobby Stocks, Stock Cars, A Modifieds, Dirt Late Models, 600cc Modifieds, Limited Sport Mod, Pro Dwarf | Results | | Mathew Triefenbach (600cc Modifieds) | 5th | - | - | 3rd |
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| 5/22/2021 | Mohave Valley Raceway - Bullhead City, AZ 5/22/2021 Event- Hot Summer Nights Stock Cars, Street Stocks, Dwarf, Sport Compact, IMCA Modified, Mod Lites | Results | | Mathew Triefenbach (Mod Lites) | 1st | - | - | 14th |
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| 6/19/2021 | Canyon Speedway Park - Peoria, AZ Summer Sizzler Hobby Stocks, Stock Cars, A Modifieds, 600cc Modifieds, Limited Sport Mod, Sport Compact | Results | | Mathew Triefenbach (600cc Modifieds) | 3rd | - | - | 8th (DNF) |
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