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| 1/14/2021 | Cocopah Speedway - Somerton, AZ Cocopah Speedway 2021 Winter Nationals presented by Yuma Insurance IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jason Kniffen (IMCA Modified) | - | - | - | - | | Jason Kniffen (IMCA Stock Car) | 6th | - | - | 16th |
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| 1/15/2021 | Cocopah Speedway - Somerton, AZ Cocopah Speedway 2021 Winter Nationals presented by Yuma Insurance IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jason Kniffen (IMCA Stock Car) | 8th | - | - | 16th |
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| 1/16/2021 | Cocopah Speedway - Somerton, AZ Cocopah Speedway 2021 Winter Nationals presented by Yuma Insurance Kid Karts Dirt, Junior Sportsman Dirt Karts, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jason Kniffen (IMCA Stock Car) | 6th | - | - | 20th |
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| 4/2/2021 | Marshalltown Speedway - Marshalltown, IA 141 Speedway / Left Turn Lounge IMCA FrostBuster IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jason Kniffen (IMCA Stock Car) | 7th | - | 6th | - |
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| 4/3/2021 | Boone Speedway - Boone, IA IMCA Frostbuster IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jason Kniffen (IMCA Stock Car) | 7th | - | 9th | - |
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| 5/1/2021 | Southwest Speedway - Dickinson, ND Season Opener Hobby Stocks, Semi-Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jason Kniffen (IMCA Stock Car) | 8th | - | - | 10th |
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| 5/2/2021 | Nodak Speedway - Minot, ND Enerbase Opening Night IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Rain Out |
| 5/7/2021 | Williston Basin Speedway - Williston, ND Night 1 Opening Weekend Double Header! Sponsored by Knudson Consulting, LLC IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, Junior Slingshots | Results | | Jason Kniffen (IMCA Stock Car) | 6th (DNF) | - | - | 7th |
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| 5/9/2021 | Nodak Speedway - Minot, ND Mothers Day Race Night IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jason Kniffen (IMCA Stock Car) | 6th | - | - | 11th |
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| 5/21/2021 | McLean County Speedway - Underwood, ND Season Opener sponsored by Four Seasons Restaurant B Modifieds, Street Stocks, Non-Winged Sprints, Generic 1, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Jason Kniffen (Street Stocks) | 3rd | - | - | 6th |
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| 5/22/2021 | Williston Basin Speedway - Williston, ND MX SERVICES NIGHT AT THE RACES! TEACHER APPRECIATION NIGHT! IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, Junior Slingshots | Results | | Jason Kniffen (IMCA Stock Car) | 9th | - | - | 7th |
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| 5/29/2021 | Williston Basin Speedway - Williston, ND PETES BREWHAHA NIGHT AT THE RACES & MILITARY APPRECIATION NIGHT! IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, Junior Slingshots | Results | | Jason Kniffen (IMCA Stock Car) | 5th | - | - | 11th (DNF) |
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| 5/30/2021 | Nodak Speedway - Minot, ND Memorial Day Weekend Race Night, Sponsor: Dakota Truck and Farm/Harry's Tire Sponsor Non-Winged Sprints, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jason Kniffen (IMCA Stock Car) | 7th (DNF) | - | - | DNS |
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| 6/6/2021 | Nodak Speedway - Minot, ND Magic City Dirt Series Night 6/Sponsors R.Capelli and Finishline Burgers and Brew IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jason Kniffen (IMCA Stock Car) | 6th | - | - | 13th |
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| 6/20/2021 | Nodak Speedway - Minot, ND Magic City Dirt Series Night 8 Non-Winged Sprints, IMCA Modified, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Jason Kniffen (IMCA Stock Car) | 4th | - | - | 4th |
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| 6/25/2021 | Williston Basin Speedway - Williston, ND NIGHT 1 - FAIR DOUBLE HEADER-FUSION FABRICATION NIGHT-JERRY MARTISNON MEMORIAL RACE! IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, Junior Slingshots | Results | | Jason Kniffen (IMCA Stock Car) | 3rd | - | - | 2nd |
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| 6/26/2021 | Williston Basin Speedway - Williston, ND NIGHT 2-FAIR DOUBLE HEADER-RED ROCK FORD NIGHT! IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, Junior Slingshots | Results | | Jason Kniffen (IMCA Stock Car) | 7th | - | - | 7th (DNF) |
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| 6/30/2021 | Red River Valley Speedway - West Fargo, ND Wednesday Racing with NOSA Sprints 410 Sprints - Winged: Northern Outlaw Sprint Association Sprint Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car | Results | | Jason Kniffen (IMCA Stock Car) | DNS | - | - | DNS |
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| 7/2/2021 | McLean County Speedway - Underwood, ND A-Mod Showdown 4.0 sponsored by Quality Dirtworks A Modifieds, B Modifieds, Street Stocks, Non-Winged Sprints, Semi-Pro Legends, Generic 1, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Jason Kniffen (Street Stocks) | 2nd | - | - | 5th |
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| 7/3/2021 | Williston Basin Speedway - Williston, ND TNT FIREWORKS PRESENTS-ROCK THE RACES! WESTERN RENEGADE WINGLESS SPRINTS-INK SPOT PRINTING Non-Winged Sprints, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, Junior Slingshots | Results | | Jason Kniffen (IMCA Stock Car) | 4th | - | - | 10th |
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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 | | Jason Kniffen (IMCA Stock Car) | 9th | - | 7th | - |
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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 | | Jason Kniffen (IMCA Stock Car) | 8th | - | - | 16th |
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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 | | Jason Kniffen (IMCA Stock Car) | 5th | - | - | 7th |
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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 | | Jason Kniffen (IMCA Stock Car) | 7th | - | - | 13th |
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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 | | Jason Kniffen (IMCA Stock Car) | 6th | - | - | 14th |
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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 | | Jason Kniffen (IMCA Stock Car) | 6th | - | - | 13th |
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| 7/31/2021 | Williston Basin Speedway - Williston, ND SRD MOTORSPORTS NIGHT AT THE RACES! ALL CLASSES!! IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, Junior Slingshots | Results | | Jason Kniffen (IMCA Stock Car) | 8th (DNF) | - | - | 8th |
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| 8/6/2021 | McLean County Speedway - Underwood, ND Kid's Night/Championship Night sponsored by Rusted Rail B Modifieds, Street Stocks, Non-Winged Sprints, Semi-Pro Legends, Generic 1, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Jason Kniffen (Street Stocks) | 6th | - | - | 9th |
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| 8/14/2021 | Williston Basin Speedway - Williston, ND 10 MINUTE BAIL BONDS & 5TH ANNUAL KIDS NIGHT AT THE RACES! IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, Junior Slingshots | Results | | Jason Kniffen (IMCA Stock Car) | 7th | - | - | 7th |
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| 8/15/2021 | Nodak Speedway - Minot, ND Magic City Dirt Series Night 13 Tuff Trucks Sponsor IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jason Kniffen (IMCA Stock Car) | 6th | - | - | 9th (DNF) |
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| 8/22/2021 | Nodak Speedway - Minot, ND Magic City Dirt Series Night 14/Sponsor Enerbase Non-Winged Sprints, IMCA Modified, IMCA Stock Car, IMCA Hobby Stock | Results | | Jason Kniffen (IMCA Stock Car) | 5th | - | - | 2nd |
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| 8/29/2021 | Nodak Speedway - Minot, ND Championship Night IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Jason Kniffen (IMCA Stock Car) | 5th | - | - | 6th |
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| 9/3/2021 | Nodak Speedway - Minot, ND Motor Magic Night 1 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jason Kniffen (IMCA Stock Car) | 6th | - | - | 11th |
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| 9/4/2021 | Nodak Speedway - Minot, ND Motor Magic Night 2 Sprint Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, Junior Slingshots | Results | | Jason Kniffen (IMCA Stock Car) | 5th | - | - | 14th (DNF) |
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| 9/5/2021 | Nodak Speedway - Minot, ND Motor Magic Night 3 Generic 1, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, Junior Slingshots | Results | | Jason Kniffen (IMCA Stock Car) | 8th (DNF) | - | - | 12th (DNF) |
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