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| 4/3/2021 | Cedar Lake Speedway - New Richmond, WI CLS Dash #1 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series A Modifieds, Midwest Modifieds, Dirt Late Models, 305 Sprints - Non-Winged, Super Stocks, USRA Late Models | Results | | Adam Martinson (Midwest Modifieds) | 1st | - | - | 7th |
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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 | | Adam Martinson (WISSOTA Midwest Mods) | 2nd | - | - | 10th |
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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 | | Adam Martinson (WISSOTA Midwest Mods) | 1st | - | - | 15th (DNF) |
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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 | | Adam Martinson (WISSOTA Midwest Mods) | 2nd | - | - | 2nd |
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| 5/15/2021 | Deer Creek Speedway - Spring Valley, MN Points Race A Modifieds, USRA B-Mods, USRA Modifieds, USRA Late Models, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Adam Martinson (WISSOTA Midwest Mods) | 4th | - | - | 3rd |
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| 5/22/2021 | Cedar Lake Speedway - New Richmond, WI CLS Dash #5 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series A Modifieds, Midwest Modifieds, Dirt Late Models, 305 Sprints - Non-Winged, Super Stocks, USRA Late Models | Results | | Adam Martinson (Midwest Modifieds) | 4th | - | - | 10th |
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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 | | Adam Martinson (WISSOTA Midwest Mods) | 5th | - | - | 5th |
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| 6/12/2021 | Deer Creek Speedway - Spring Valley, MN Points Race USRA B-Mods, USRA Modifieds, USRA Late Models, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Adam Martinson (WISSOTA Midwest Mods) | 6th (DNF) | - | - | 4th |
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| 6/19/2021 | Deer Creek Speedway - Spring Valley, MN Pink Out Night - Points Race USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Adam Martinson (WISSOTA Midwest Mods) | 3rd | - | - | 4th |
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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 | | Adam Martinson (WISSOTA Midwest Mods) | 2nd | - | - | 1st |
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| 7/3/2021 | Deer Creek Speedway - Spring Valley, MN Fireworks - Points Race USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Adam Martinson (WISSOTA Midwest Mods) | 1st | - | - | 3rd |
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| 7/10/2021 | Deer Creek Speedway - Spring Valley, MN Points Race USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Adam Martinson (WISSOTA Midwest Mods) | 2nd | - | - | 4th |
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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 | | Adam Martinson (WISSOTA Midwest Mods) | 1st | - | - | 4th |
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| 7/24/2021 | Deer Creek Speedway - Spring Valley, MN Points Race USRA B-Mods, USRA Modifieds, USRA Late Models, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Adam Martinson (WISSOTA Midwest Mods) | 1st | - | - | 3rd |
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| 7/31/2021 | Deer Creek Speedway - Spring Valley, MN Points Race USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Rain Out |
| 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 | | Adam Martinson (WISSOTA Midwest Mods) | 2nd | - | - | 1st |
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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 | | Adam Martinson (WISSOTA Midwest Mods) | 4th | - | - | 4th |
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| 8/14/2021 | Deer Creek Speedway - Spring Valley, MN Veterans Night- Points Race USRA B-Mods, USRA Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Adam Martinson (WISSOTA Midwest Mods) | 2nd | - | - | 3rd |
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| 9/3/2021 | Grand Rapids Speedway - Grand Rapids, MN Structural Buildings WISSOTA Late Model Challenge Series WISSOTA Late Model: Wissota Late Model Challenge Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock | Rain Out |
| 9/24/2021 | Jamestown Speedway - Jamestown, ND 50th Annual Jamestown Stock Car Stampede B Modifieds, Semi-Pro Legends, Pure Stock, IMCA Modified, IMCA Northern SportMod, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock, Junior Slingshots | Results | | Adam Martinson (WISSOTA Midwest Mods) | 3rd | - | - | 16th |
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| 9/25/2021 | Jamestown Speedway - Jamestown, ND 50th Annual Jamestown Stock Car Stampede B Modifieds, Semi-Pro Legends, Pure Stock, IMCA Modified, IMCA Northern SportMod, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock, Junior Slingshots | Results | | Adam Martinson (WISSOTA Midwest Mods) | 3rd | - | 1st | 19th |
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