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| 2/11/2021 | Arizona Speedway - Queen Creek, AZ Superstition Showdown Practice Night IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Greg Gustus (IMCA Modified) | - | - | - | - |
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| 2/12/2021 | Arizona Speedway - Queen Creek, AZ Superstition Showdown A Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Greg Gustus (IMCA Modified) | 6th | - | 5th | - |
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| 2/13/2021 | Arizona Speedway - Queen Creek, AZ Superstition Showdown A Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Greg Gustus (IMCA Modified) | 4th | - | 4th | 23rd (DNF) |
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| 2/14/2021 | Arizona Speedway - Queen Creek, AZ Superstition Showdown A Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Greg Gustus (IMCA Modified) | 8th | - | 11th | - |
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| 4/3/2021 | RPM Speedway - Hays, KS RPM Speedway Opening Night IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Greg Gustus (IMCA Modified) | 4th | - | 2nd | 18th (DNF) |
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| 4/9/2021 | Thomas County Speedway - Colby, KS Season Opener IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Greg Gustus (IMCA Modified) | 2nd | - | - | 11th |
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| 4/10/2021 | Thomas County Speedway - Colby, KS Season Opener Day 2 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Greg Gustus (IMCA Modified) | 3rd | - | - | 10th |
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| 5/1/2021 | Sherman County Speedway - Goodland, KS Season Opener Sport Compact, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Greg Gustus (IMCA Modified) | 2nd | - | - | DNS |
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| 5/21/2021 | Thomas County Speedway - Colby, KS Friday Night Lights IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Greg Gustus (IMCA Modified) | 4th | - | - | 6th |
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| 5/22/2021 | Thomas County Speedway - Colby, KS K.A.R. Vintage Car Night IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Greg Gustus (IMCA Modified) | 3rd | - | - | 3rd |
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| 5/28/2021 | Sweetwater Speedway - Rock Springs, WY Rudy Yeager Memorial Dwarf: Western States Dwarf Car Association A Modifieds, B Modifieds, Street Stocks, 250 yamaha, Asphalt Street Stocks, Generic 1, Generic 2, Speedstr | Results | | Greg Gustus (A Modifieds) | 1st | - | - | 6th |
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| 5/29/2021 | Sweetwater Speedway - Rock Springs, WY Rudy Yeager Memorial Dwarf: Western States Dwarf Car Association A Modifieds, B Modifieds, Street Stocks, 250 yamaha, Asphalt Street Stocks, Generic 1, Generic 2, Speedstr | Results | | Greg Gustus (A Modifieds) | 2nd | - | - | 8th |
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| 6/18/2021 | Sweetwater Speedway - Rock Springs, WY Wild West Modified Tour A Modifieds: Wild West Modified Tour B Modifieds, Street Stocks, 250 yamaha, Asphalt Street Stocks, Generic 1, Generic 2 | Results | | Greg Gustus (A Modifieds) | 6th | - | 2nd | 12th |
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| 6/19/2021 | Sweetwater Speedway - Rock Springs, WY Wild West Modified Tour A Modifieds: Wild West Modified Tour B Modifieds, Street Stocks, 250 yamaha, Asphalt Street Stocks, Generic 1, Generic 2 | Results | | Greg Gustus (A Modifieds) | 3rd | - | - | 23rd |
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| 7/2/2021 | Phillips County Raceway - Holyoke, CO Celebrating Independence Race Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Dwarf, Lightning Sprints, 600cc Modifieds, Sport Compact | Results | | Greg Gustus (A Modifieds) | 1st | - | - | 1st |
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| 7/10/2021 | Jamestown Speedway - Jamestown, ND 32nd Annual Dakota Classic Modified Tour IMCA Modified: Dakota Classic Modified Tour IMCA Stock Car | Results | | Greg Gustus (IMCA Modified) | 7th | - | 10th | - |
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| 7/11/2021 | Nodak Speedway - Minot, ND Dakota Classic Modified Tour IMCA Modified: Dakota Classic Modified Tour IMCA Stock Car | Results | | Greg Gustus (IMCA Modified) | 4th | - | 8th | - |
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| 7/12/2021 | Nodak Speedway - Minot, ND Dakota Mod Tour/Sponsor Dynamic Auto Solutions IMCA Modified: Dakota Classic Modified Tour IMCA Stock Car | Results | | Greg Gustus (IMCA Modified) | 9th | - | 8th | - |
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| 7/13/2021 | Williston Basin Speedway - Williston, ND DAKOTA CLASSIC MODIFIED TOUR 2021-SPONSORED BY BULLET TRANSMISSION & THP PHOTOGRAPHY IMCA Modified: Dakota Classic Modified Tour IMCA Stock Car | Results | | Greg Gustus (IMCA Modified) | 8th | - | 5th | 15th |
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| 7/14/2021 | Southwest Speedway - Dickinson, ND Dakota Classic Modified Tour IMCA Modified: Dakota Classic Modified Tour IMCA Stock Car | Results | | Greg Gustus (IMCA Modified) | 8th | - | 7th | - |
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| 7/15/2021 | Dacotah Speedway - Mandan, ND Dakota Classic Modified Tour - Championship Night IMCA Modified: Dakota Classic Modified Tour Semi-Pro Legends, IMCA Stock Car | Results | | Greg Gustus (IMCA Modified) | 5th | - | 7th | 21st |
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| 7/23/2021 | Phillips County Raceway - Holyoke, CO Fair Race Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Dwarf, 600cc Modifieds, Sport Compact | Results | | Greg Gustus (A Modifieds) | 1st | - | - | 2nd |
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| 8/7/2021 | Sherman County Speedway - Goodland, KS Fair Race with High Plains Late Model Series Dirt Late Models, Sport Compact, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Greg Gustus (IMCA Modified) | 2nd | - | - | 2nd |
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| 8/21/2021 | Sherman County Speedway - Goodland, KS Bill Gray/Season Championship Night Sport Compact, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Greg Gustus (IMCA Modified) | 1st | - | - | 2nd |
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| 9/17/2021 | Phillips County Raceway - Holyoke, CO IMCA Championship Race Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Dwarf, Sport Compact | Results | | Greg Gustus (A Modifieds) | 4th | - | - | 2nd |
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| 9/24/2021 | Sherman County Speedway - Goodland, KS 32nd Annual Flatlanders Fall Classic Sport Compact, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Greg Gustus (IMCA Modified) | 3rd | - | 5th | - |
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| 9/25/2021 | Sherman County Speedway - Goodland, KS 32nd Annual Flatlanders Fall Classic Sport Compact, Pure Stock, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Greg Gustus (IMCA Modified) | 1st | - | - | 3rd |
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| 10/2/2021 | RPM Speedway - Hays, KS Fall Nationals Night 2 Generic 1, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Greg Gustus (IMCA Modified) | - | - | - | - |
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