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| 5/7/2021 | Black Hills Speedway - Rapid City, SD Opening Night $ Month of Money $ Series Begins 360 Sprints - Winged, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 3rd | - | - | 3rd | | Brent Nielsen (WISSOTA Street Stock) | 9th (DNF) | - | - | DNS |
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| 5/14/2021 | Black Hills Speedway - Rapid City, SD $ Month of Money $ Series 360 Sprints - Winged, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 2nd | - | - | 5th |
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| 5/28/2021 | Black Hills Speedway - Rapid City, SD $ Month of Money $ Series 360 Sprints - Winged, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 6th | - | - | 3rd |
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| 6/4/2021 | Black Hills Speedway - Rapid City, SD PACK THE STANDS! $ Month Of Money $ Series Finale 360 Sprints - Winged, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | DNS | - | - | 4th |
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| 6/11/2021 | Black Hills Speedway - Rapid City, SD ASCS Elite North - Non-Wing Sprint Car Tour 360 Sprints - Winged, Non-Winged Sprints, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 3rd | - | - | 3rd |
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| 6/18/2021 | Black Hills Speedway - Rapid City, SD Dillon Heinzerling Midwest Mod Memorial Race IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 2nd | - | - | 1st |
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| 7/2/2021 | I-94 Speedway - Fergus Falls, MN 4th of July Fireworks Night-along with Fan Appreciation Night $5 admission Hornets, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brent Nielsen (WISSOTA Modifieds) | 7th | - | - | 11th |
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| 7/9/2021 | Black Hills Speedway - Rapid City, SD WISSOTA Midwest Mod Border Clash 360 Sprints - Winged, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 1st | - | - | 1st |
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| 7/23/2021 | Black Hills Speedway - Rapid City, SD High Plains Late Model Tour 360 Sprints - Winged, Dirt Super Late Models, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 3rd | - | - | 4th |
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| 7/30/2021 | Dacotah Speedway - Mandan, ND ND Governors Cup Auto Races - Night 1 410 Sprints - Winged: Northern Outlaw Sprint Association Hobby Stocks, Semi-Pro Legends, IMCA Modified, IMCA Sport Compact, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 6th | - | - | 11th |
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| 7/31/2021 | Dacotah Speedway - Mandan, ND ND Governors Cup Auto Races - Night 2 410 Sprints - Winged: Northern Outlaw Sprint Association Hobby Stocks, Semi-Pro Legends, IMCA Modified, IMCA Sport Compact, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 7th | - | - | 18th |
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| 8/20/2021 | Black Hills Speedway - Rapid City, SD Points Championship Night WISSOTA R.O.C 360 Sprints - Winged, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 4th | - | - | 2nd |
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| 9/3/2021 | Gillette Thunder Speedway - Gillette, WY 21ST ANNUAL EAST-WEST CLASH IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 3rd | - | - | 19th (DNF) |
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| 9/4/2021 | Gillette Thunder Speedway - Gillette, WY 21ST ANNUAL EAST-WEST CLASH Sport Compact, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 3rd | - | - | 11th |
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| 9/5/2021 | Gillette Thunder Speedway - Gillette, WY 21ST ANNUAL EAST-WEST CLASH CHAMPIONSHIP Sport Compact, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 4th | - | - | 14th |
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| 9/10/2021 | Black Hills Speedway - Rapid City, SD South Dakota Lottery Half-Mile Nationals 360 Sprints - Winged, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Street Stock | Results | | Brent Nielsen (IMCA Modified) | 3rd | - | - | 4th |
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