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| 5/14/2021 | Brown County Speedway - Aberdeen, SD SEASON OPENER WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 6th | - | - | 5th |
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| 5/21/2021 | Brown County Speedway - Aberdeen, SD REGULAR SHOW WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 6th | - | - | 10th |
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| 6/11/2021 | Brown County Speedway - Aberdeen, SD STREET STOCK TOUR WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 4th | - | - | 4th |
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| 6/18/2021 | Brown County Speedway - Aberdeen, SD REGULAR SHOW WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 2nd | - | - | 9th |
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| 6/25/2021 | Brown County Speedway - Aberdeen, SD REGULAR SHOW WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 1st | - | - | 12th |
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| 7/1/2021 | Dakota State Fair Speedway - Huron, SD Stock Car Racing WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 4th | - | - | 9th |
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| 7/2/2021 | Brown County Speedway - Aberdeen, SD FIREWORKS SPECTACULAR WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 6th | - | - | 13th |
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| 7/16/2021 | Brown County Speedway - Aberdeen, SD REGULAR SHOW WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 4th | - | - | 9th |
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| 7/23/2021 | Brown County Speedway - Aberdeen, SD MIDWEST MODIFIED SPECIAL WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 5th | - | - | 6th |
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| 7/30/2021 | Brown County Speedway - Aberdeen, SD ROC RACE-REGULAR SHOW WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 7th (DNF) | - | - | 7th |
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| 8/6/2021 | Brown County Speedway - Aberdeen, SD 2021 SEASON CHAMPIONSHIP (ROC RAIN DATE) WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 2nd | - | - | 8th |
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| 9/3/2021 | Brown County Speedway - Aberdeen, SD BIG BUCK NATIONALS WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Chaun Peterson (WISSOTA Modifieds) | 1st | - | 11th | DNS |
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