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| 5/1/2021 | Deer Creek Speedway - Spring Valley, MN Points Race USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 6th | - | - | 12th |
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| 5/7/2021 | Chateau Speedway - Lansing, MN Season Opener Regular Friday Night Racing USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 1st | - | - | 5th |
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| 5/14/2021 | Chateau Speedway - Lansing, MN Regular Friday Night Racing USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 1st | - | - | 7th |
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| 6/4/2021 | Chateau Speedway - Lansing, MN Regular Friday Night Racing USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 4th | - | - | 9th |
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| 6/11/2021 | Chateau Speedway - Lansing, MN Regular Friday Night Racing USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 1st | - | - | 7th |
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| 6/18/2021 | Chateau Speedway - Lansing, MN UMSS Non Wing Traditional Sprint Special #1 360 Sprints - Non-Winged, USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 1st | - | - | 5th |
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| 6/25/2021 | Chateau Speedway - Lansing, MN Wissota Midwest Mod vs. Usra B Mod Challenge Event Night 1 Winged Outlaw, USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 2nd | - | - | 3rd |
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| 7/2/2021 | Chateau Speedway - Lansing, MN Regular Friday Night Racing USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 2nd | - | - | 1st |
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| 7/16/2021 | Chateau Speedway - Lansing, MN UMSS Non Wing Traditional Sprint Special #2 360 Sprints - Non-Winged, USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 6th | - | - | 6th |
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| 7/23/2021 | Chateau Speedway - Lansing, MN Hall of Fame Induction Night USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 7th (DNF) | - | - | 5th |
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| 8/6/2021 | Chateau Speedway - Lansing, MN Regular Friday Night Racing. Race of Champions. Sprints 360 Sprints - Non-Winged, USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 1st | - | - | 9th |
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| 8/13/2021 | Chateau Speedway - Lansing, MN Fireworks and Regular racing USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 1st | - | - | 5th |
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| 8/20/2021 | Chateau Speedway - Lansing, MN Kids Night-Car Rides and Bicycle give aways USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (WISSOTA Midwest Mods) | 1st | - | - | - |
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| 9/10/2021 | Chateau Speedway - Lansing, MN Spirit of 83 Rescheduled Event Night USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (USRA B-Mods) | 2nd | - | - | 7th |
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| 9/11/2021 | Chateau Speedway - Lansing, MN National Points Special USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Greg Pfeifer Jr (USRA B-Mods) | 5th | - | - | 10th |
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| 9/23/2021 | Deer Creek Speedway - Spring Valley, MN 23rd Annual Featherlite Fall Jamboree USRA B-Mods, USRA Modifieds | Results | | Greg Pfeifer Jr (USRA B-Mods) | 1st | - | - | 27th |
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| 10/16/2021 | Mason City Motor Speedway - Mason City, IA Five Star Classic 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Greg Pfeifer Jr (USRA B-Mods) | 7th | - | - | DNS |
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