| | Heat | Dash | B Feature | A Feature |
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| 2/26/2021 | Southern Illinois Center - Duquoin, IL Midwest Winter Nationals Non-Wing Outlaw | Results | | Mattison Lienemann (Non-Wing Outlaw) | - | - | - | - |
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| 2/26/2021 | Wayne County Speedway - Wayne City, IL DuQuoin Winter Nationals - Week 1 - Night 1 Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Junior Sprints, Lightning Sprints | Results | | Mattison Lienemann (Winged Outlaw) | 5th | - | 1st | 19th | | Mattison Lienemann (Non-Wing Outlaw) | 5th | - | 7th | - |
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| 2/27/2021 | Southern Illinois Center - Duquoin, IL Midwest Winter Nationals Non-Wing Outlaw | Results | | Mattison Lienemann (Non-Wing Outlaw) | - | - | - | - |
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| 2/27/2021 | Wayne County Speedway - Wayne City, IL DuQuoin Winter Nationals - Week 1 - Night 2 Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Junior Sprints, Lightning Sprints | Results | | Mattison Lienemann (Winged Outlaw) | 6th | - | 3rd | 15th | | Mattison Lienemann (Non-Wing Outlaw) | 4th | - | 7th | - |
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| 3/12/2021 | Southern Illinois Center - Duquoin, IL Midwest Winter Nationals Non-Wing Outlaw | Results | | Mattison Lienemann (Non-Wing Outlaw) | - | - | - | - |
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| 3/12/2021 | Wayne County Speedway - Wayne City, IL DuQuoin Winter Nationals - Week 3 - Night 1 Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Stock Non-Wing, Junior Sprints, 600cc Modifieds | Results | | Mattison Lienemann (Winged Outlaw) | 3rd | - | - | 7th | | Mattison Lienemann (Non-Wing Outlaw) | 8th | - | 9th | - |
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| 3/13/2021 | Southern Illinois Center - Duquoin, IL Midwest Winter Nationals Non-Wing Outlaw | Results | | Mattison Lienemann (Non-Wing Outlaw) | - | - | - | - |
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| 3/13/2021 | Wayne County Speedway - Wayne City, IL DuQuoin Winter Nationals - Week 3 - Night 2 Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Stock Non-Wing, Junior Sprints, 600cc Modifieds | Results | | Mattison Lienemann (Winged Outlaw) | 7th | - | - | 15th | | Mattison Lienemann (Non-Wing Outlaw) | 7th | - | 6th | - |
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| 4/16/2021 | Tri City Speedway - Granite City, IL 410 Sprints - Winged: MOWA-Midwest Open Wheel Association DIRTcar Late Models, DIRTcar UMP Modifieds, Winged Outlaw | Results | | Mattison Lienemann (Winged Outlaw) | 6th | - | - | 9th |
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| 4/30/2021 | Tri City Speedway - Granite City, IL Fast Friday Racing UMP LM, UMP Mods, BMods, UMP St Stk, UMP 4-Cyl & Winged Micros DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sport Compact, Winged Outlaw, B Modifieds, Street Stocks | Results | | Mattison Lienemann (Winged Outlaw) | 1st | - | - | 3rd |
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| 6/4/2021 | Tri City Speedway - Granite City, IL "4-Cyl Takeover" LM, Mods, BMods, St Stk, Wing Micros $500, 4-cyl $1000,$800,$600 + Kids Power Wheel DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sport Compact, Winged Outlaw, B Modifieds, Street Stocks | Results | | Mattison Lienemann (Winged Outlaw) | 2nd | - | - | 11th |
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| 6/19/2021 | Macon Speedway - Macon, IL Illinois SPEED Week Midgets: POWRi National Midgets with POWRi Winged Outlaw, Winged A-Class, Street Stocks, Pro Late Model | Results | | Mattison Lienemann (Winged Outlaw) | 3rd | - | - | 14th | | Mattison Lienemann (Winged A-Class) | - | - | - | 14th |
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| 8/15/2021 | Tri City Speedway - Granite City, IL Sunday Racing DIRTcar Sport Compact, Winged Outlaw, Winged Outlaw, Restricted Box Stock, Unrestricted Box Stock, 500 Winged Open Outlaw, Dirt Mini Late Models, LO 206 Cage Junior 1 Winged, Flat Jr. 1 Clone | Results | | Mattison Lienemann (Winged Outlaw) | 2nd | - | - | 10th |
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| 9/11/2021 | Wayne County Speedway - Wayne City, IL Remembrance Weekend HART & MMSA Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Junior Sprints, Lightning Sprints | Results | | Mattison Lienemann (Winged Outlaw) | 9th (DNF) | - | - | 6th | | Mattison Lienemann (Non-Wing Outlaw) | 8th | - | 9th (DNF) | - |
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| 9/17/2021 | Tri City Speedway - Granite City, IL Fan App & TDT Night UMP LM, Mods St Stk & 4-cyl with BMods, Winged Micros & Kids Power Wheels DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sport Compact, Winged Outlaw, B Modifieds, Street Stocks | Results | | Mattison Lienemann (Winged Outlaw) | 3rd | - | - | 1st |
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