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| 4/2/2021 | I-80 Speedway - Greenwood, NE I-80 Speedway - WEST Dirt Super Late Models: SLMR Late Model Series 360 Sprints - Winged, B Modifieds | Results | | Lee Grosz (360 Sprints - Winged) | 1st | - | - | 3rd |
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| 4/3/2021 | I-80 Speedway - Greenwood, NE I-80 Speedway - WEST Dirt Super Late Models: SLMR Late Model Series 360 Sprints - Winged, A Modifieds | Results | | Lee Grosz (360 Sprints - Winged) | 5th | - | - | 8th |
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| 4/17/2021 | Knoxville Raceway - Knoxville, IA Pella Motors/Kraig Ford Season Opener 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Lee Grosz (360 Sprints - Winged) | 4th | - | - | 3rd |
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| 4/24/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Lee Grosz (360 Sprints - Winged) | 4th | - | - | 2nd |
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| 5/21/2021 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + 360 Sprints 360 Sprints - Winged: Midwest Sprint Touring Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Lee Grosz (360 Sprints - Winged) | 5th | - | - | 6th |
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| 6/4/2021 | I-80 Speedway - Greenwood, NE 06/04/2021 Event 360 Sprints - Winged, Stock Cars, A Modifieds, Dirt Late Models, Sport Compact | Results | | Lee Grosz (360 Sprints - Winged) | 1st | - | - | 3rd |
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| 6/5/2021 | Knoxville Raceway - Knoxville, IA McKay Group Night 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Lee Grosz (360 Sprints - Winged) | 2nd | - | - | 8th |
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| 6/11/2021 | Jackson Motorplex - Jackson, MN MSTS/MPS 360 Sprints presented by Joel Pingeon Trucking 360 Sprints - Winged: Midwest Sprint Touring Series with Midwest Power Series 305 Sprints - Winged: IMCA RaceSaver Sprints IMCA RaceSaver Sprint Car | Results | | Lee Grosz (360 Sprints - Winged) | 3rd | - | - | 1st |
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| 6/12/2021 | I-90 Speedway - Hartford, SD MSTS at I-90 Speedway with Power Series 360 Sprints - Winged: Midwest Sprint Touring Series with Midwest Power Series 305 Sprints - Winged, Street Stocks, USRA B-Mods, USRA Hobby Stocks | Results | | Lee Grosz (360 Sprints - Winged) | 1st | - | - | 6th |
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| 6/18/2021 | Rapid Speedway - Rock Rapids, IA MSTS at Rapid Speedway with Power Series 360 Sprints - Winged: Midwest Sprint Touring Series with Midwest Power Series DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Lee Grosz (360 Sprints - Winged) | 3rd | - | - | 14th (DNF) |
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| 6/19/2021 | Ogilvie Raceway - Ogilvie, MN Davey Tabor Memorial [Non-MSTS points] 360 Sprints - Winged: Midwest Sprint Touring Series with Midwest Power Series Limited Sprints - Winged: Upper Midwest Sprint Car Series 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series Vintage Modifieds: Northern Vintage Stockcar Racers Winged Sprints, Winged A-Class, Non-Winged Sprints, Vintage Full Body Stock Cars, WISSOTA Hornet | Results | | Lee Grosz (360 Sprints - Winged) | 2nd | - | - | 4th |
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| 7/8/2021 | River Cities Speedway - Grand Forks, ND Wayne Anderson Cup Race #1 - NLRA Tour 410 Sprints - Winged: Northern Outlaw Sprint Association B Modifieds, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock | Results | | Lee Grosz (410 Sprints - Winged) | 3rd | - | - | 20th (DNF) |
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| 7/9/2021 | River Cities Speedway - Grand Forks, ND Wayne Anderson Cup Race #2 - Premier Racing Series/Celebrate Dirt! 410 Sprints - Winged: Northern Outlaw Sprint Association B Modifieds, 305 Sprints - Non-Winged, WISSOTA Midwest Mods, WISSOTA Late Model, WISSOTA Street Stock | Results | | Lee Grosz (410 Sprints - Winged) | 2nd | - | - | 7th |
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| 7/16/2021 | Jackson Motorplex - Jackson, MN MSTS/MPS 360 Sprints presented by Holiday Inn-Fairmont 360 Sprints - Winged: Midwest Sprint Touring Series with Midwest Power Series 305 Sprints - Winged: IMCA RaceSaver Sprints IMCA RaceSaver Sprint Car | Results | | Lee Grosz (360 Sprints - Winged) | 5th | - | - | - |
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| 9/5/2021 | Casino Speedway - Watertown, SD Watertown Ford Chrysler Season Championship Night Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Hornet | Results | | Lee Grosz (WISSOTA Modifieds) | 4th | - | - | 10th |
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| 9/24/2021 | Casino Speedway - Watertown, SD 4th Annual Autumn Classic (Night #1) 410 Sprints - Winged, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Hornet | Results | | Lee Grosz (WISSOTA Modifieds) | 5th | - | - | 11th |
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| 9/25/2021 | Casino Speedway - Watertown, SD 4th Annual Autumn Classic (Night #2) Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Hornet | Results | | Lee Grosz (WISSOTA Modifieds) | 6th | - | - | 14th |
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| 10/3/2021 | Madison Speedway - Madison, MN Madtown Showdown Night 2 360 Sprints - Winged, Stock Cars, Economy Late Models, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Lee Grosz (WISSOTA Modifieds) | 4th | - | - | 6th |
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