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| 6/17/2021 | Kossuth County Speedway - Algona, IA Outlaw Mini Mod & Weekly IMC Racing B Modifieds, Street Stocks, 600cc Modifieds, Enduro, IMCA Modified, IMCA Hobby Stock, IMCA Sport Compact | Results | | Matt Grobe (600cc Modifieds) | 5th | - | - | 14th |
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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 | | Matt Grobe (Winged Outlaw) | 1st | - | - | 4th |
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| 7/11/2021 | Mason City Motor Speedway - Mason City, IA Joel Showalter Memorial Presented by Window World 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Matt Grobe (600cc Modifieds) | 1st | - | - | 7th |
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| 7/17/2021 | Cedar Lake Speedway - New Richmond, WI CLS Dash #10 / Pro Stock $5,000 To Win 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series 305 Sprints - Non-Winged, 600cc Modifieds, Super Stocks, USRA Late Models | Results | | Matt Grobe (600cc Modifieds) | 3rd | - | - | 5th |
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| 7/25/2021 | Mason City Motor Speedway - Mason City, IA Kids Night 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Matt Grobe (600cc Modifieds) | 2nd | - | - | 8th |
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| 8/8/2021 | Mason City Motor Speedway - Mason City, IA Ted Zieman Memorial (Fair Races) Presented by Pabst Blue Ribbon 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Matt Grobe (600cc Modifieds) | 4th | - | - | 4th |
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| 8/22/2021 | Mason City Motor Speedway - Mason City, IA Driver Appreciation Night 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Matt Grobe (600cc Modifieds) | 2nd | - | - | 3rd |
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| 10/1/2021 | Cedar County Raceway - Tipton, IA Hoker Trucking Darkside Fall Bash 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Matt Grobe (600cc Modifieds) | 5th | - | 5th | 15th |
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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 | | Matt Grobe (600cc Modifieds) | 2nd | - | - | 6th |
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| 10/17/2021 | 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 | | Matt Grobe (600cc Modifieds) | 4th | - | - | 11th |
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