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| 5/15/2021 | Hamilton County Speedway - Webster City, IA Kid's Night + $1,000-to-Win Mods USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 3rd | - | - | 11th |
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| 5/22/2021 | Hamilton County Speedway - Webster City, IA Bob Flaws Memorial + Stock Car Challenge $1,600-to-Win USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 6th | - | - | 6th |
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| 5/29/2021 | Deer Creek Speedway - Spring Valley, MN 18th Annual USMTS Southern MN Spring Challenge A Modifieds: USMTS - United States Modified Touring Series USRA B-Mods, USRA Stock Cars, WISSOTA Midwest Mods | Results | | Jeremy Grantham (USRA B-Mods) | 10th | - | 7th | - |
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| 6/5/2021 | Hamilton County Speedway - Webster City, IA USMTS $10,000-to-Win A Modifieds: USMTS - United States Modified Touring Series USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 6th | - | - | 9th |
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| 6/12/2021 | Hamilton County Speedway - Webster City, IA Karl Chevrolet Fan Appreciation Night + Kid's Night Dirt Super Late Models, Super Truck, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 2nd | - | - | 21st (DNF) |
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| 6/13/2021 | Mason City Motor Speedway - Mason City, IA Season Opener USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 1st | - | - | 12th |
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| 6/19/2021 | Hamilton County Speedway - Webster City, IA Malvern Bank SLMR Bill Rice Memorial $3,000-to-Win Late Models Dirt Super Late Models: SLMR Late Model Series USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 2nd | - | - | 10th |
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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 | | Jeremy Grantham (USRA B-Mods) | 6th | - | - | 6th |
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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 | | Jeremy Grantham (USRA B-Mods) | 4th | - | - | 19th |
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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 | | Jeremy Grantham (USRA B-Mods) | 5th | - | - | 8th |
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| 7/18/2021 | Mason City Motor Speedway - Mason City, IA United States Modified Touring Series fueled by Casey's A Modifieds: USMTS - United States Modified Touring Series 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Jeremy Grantham (USRA B-Mods) | 7th | - | - | 20th (DNF) |
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| 7/21/2021 | Hamilton County Speedway - Webster City, IA Wildcard Wednesday Presented by Peoples Credit Union Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 4th | - | - | 7th |
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| 7/24/2021 | Hamilton County Speedway - Webster City, IA Kids Night At The Fair Presented by Good Life RV Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 7th | - | - | 8th |
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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 | | Jeremy Grantham (USRA B-Mods) | 5th | - | - | 8th |
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| 7/31/2021 | Hamilton County Speedway - Webster City, IA USRA Weekly Racing Presented by D&B Agro USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 4th | - | - | 5th |
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| 8/1/2021 | Mason City Motor Speedway - Mason City, IA Modified Madness Presented by Fertilizer Equipment Specialists USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 4th | - | - | 7th |
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| 8/7/2021 | Hamilton County Speedway - Webster City, IA Napa Auto Parts USRA Weekly Racing + Hobby Stock Special Super Truck, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 2nd | - | - | 4th |
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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 | | Jeremy Grantham (USRA B-Mods) | 5th | - | - | 7th |
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| 8/14/2021 | I-35 Speedway - Winston, MO Smokin' Trackside BBQ Bash Seeburg Muffler Night With Vintage Car Special Hobby Stocks, Midwest Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Vintage Modifieds, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jeremy Grantham (USRA B-Mods) | 8th | - | - | 7th |
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| 8/15/2021 | Mason City Motor Speedway - Mason City, IA B-Mod Challenge Presented by Kabrick Distributing 600cc Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars | Results | | Jeremy Grantham (USRA B-Mods) | 2nd | - | - | 6th |
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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 | | Jeremy Grantham (USRA B-Mods) | 1st | - | - | 8th |
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| 8/28/2021 | Hamilton County Speedway - Webster City, IA Karl Chevrolet Driver Appreciation Night A Modifieds, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 6th (DNF) | - | 1st | 9th |
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| 9/23/2021 | Deer Creek Speedway - Spring Valley, MN 23rd Annual Featherlite Fall Jamboree USRA B-Mods, USRA Modifieds | Results | | Jeremy Grantham (USRA B-Mods) | 11th | - | 7th | - |
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| 9/24/2021 | Deer Creek Speedway - Spring Valley, MN 23rd Annual Featherlite Fall Jamboree A Modifieds: USMTS - United States Modified Touring Series USRA B-Mods | Results | | Jeremy Grantham (USRA B-Mods) | 5th | - | 4th | 30th |
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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 | | Jeremy Grantham (USRA B-Mods) | 7th (DNF) | - | - | 16th (DNF) |
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| 10/23/2021 | Hamilton County Speedway - Webster City, IA Fall Futurity Night #2 Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeremy Grantham (USRA B-Mods) | 2nd | - | - | 8th |
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