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| 4/23/2021 | Lee County Speedway - Donnellson, IA Season Points Kick-Off IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 1st | - | - | 4th |
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| 4/24/2021 | 34 Raceway - West Burlington, IA Mt. Dew Season Kick-Start 305 Sprints - Winged, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 4th | - | - | 7th |
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| 4/30/2021 | Lee County Speedway - Donnellson, IA Driver For 5 Qualifier IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 2nd | - | - | 10th |
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| 5/1/2021 | 34 Raceway - West Burlington, IA 101.7 The Bull Night 305 Sprints - Winged, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 1st | - | - | 2nd |
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| 5/7/2021 | Lee County Speedway - Donnellson, IA Buford Dozing & Excavating Weekly Points Night IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 2nd | - | - | 7th |
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| 5/14/2021 | Lee County Speedway - Donnellson, IA Driver For 5 Qualifier IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 1st | - | - | 15th |
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| 5/29/2021 | 34 Raceway - West Burlington, IA DoneRight.TV Night - Draw Re-Draw Special 305 Sprints - Winged, Dirt Super Late Models, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod | Results | | Bill Roberts Jr (A Modifieds) | 5th | - | - | 21st (DNF) |
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| 6/4/2021 | Lee County Speedway - Donnellson, IA 410 Sprints - Winged: MOWA-Midwest Open Wheel Association IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 3rd | - | - | 4th |
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| 6/5/2021 | 34 Raceway - West Burlington, IA George's Lawnmower presents Hoker Trucking SLMR Late Model Series Dirt Super Late Models: SLMR Late Model Series Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 2nd | - | - | 10th |
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| 6/11/2021 | Lee County Speedway - Donnellson, IA Driver For 5 Qualifier IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 4th | - | - | 8th |
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| 6/12/2021 | 34 Raceway - West Burlington, IA Pepsi $5 Fan Appreciation Night Dirt Super Late Models, Stock Cars, A Modifieds, Dirt Late Models, 2WD Trucks, Limited Sport Mod, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 1st | - | - | 3rd |
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| 6/16/2021 | Stuart Speedway - Stuart, IA Dynamic Drivelines Dirt Duel Mini Mods, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Bill Roberts Jr (IMCA Modified) | 3rd | - | - | 7th |
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| 6/19/2021 | 34 Raceway - West Burlington, IA Hearth & Home Technologies Night 305 Sprints - Winged, Dirt Super Late Models, Stock Cars, A Modifieds, 2WD Trucks, Limited Sport Mod, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 1st | - | - | 1st |
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| 7/2/2021 | Lee County Speedway - Donnellson, IA Pilot Grove Savings Bank Driver For 5 Qualifier IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 4th | - | - | 7th |
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| 7/3/2021 | 34 Raceway - West Burlington, IA Lucas Oil MLRA Dirt Super Late Models: MLRA Stock Cars, A Modifieds, 2WD Trucks, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 2nd | - | - | 1st |
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| 7/23/2021 | Lee County Speedway - Donnellson, IA Conn Communication Weekly Points Night IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 1st | - | - | 5th |
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| 7/24/2021 | 34 Raceway - West Burlington, IA Sonny's Market Night 305 Sprints - Winged, Dirt Super Late Models, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 3rd | - | - | 3rd |
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| 7/28/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Sprint Invaders - Dubuque Fairgrounds Speedway 360 Sprints - Winged: Sprint Invaders Hobby Stocks, A Modifieds, B Modifieds, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 2nd | - | - | 19th |
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| 8/6/2021 | Lee County Speedway - Donnellson, IA KQ92 Driver For 5 Qualifier Dirt Mini Trucks, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 3rd | - | - | 5th |
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| 8/7/2021 | 34 Raceway - West Burlington, IA High 5 for Kids Night Presented by The New Mix 107.3 305 Sprints - Winged, Dirt Super Late Models, Stock Cars, A Modifieds, Dirt Late Models, Limited Sport Mod, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 2nd | - | - | 2nd |
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| 8/20/2021 | Lee County Speedway - Donnellson, IA Sprint Invaders - Lee County Speedway 360 Sprints - Winged: Sprint Invaders IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 1st | - | - | 6th |
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| 8/21/2021 | 34 Raceway - West Burlington, IA Frontline Genetics Night featuring Sprint Invaders 360 Sprints - Winged: Sprint Invaders Dirt Super Late Models, Stock Cars, A Modifieds, Limited Sport Mod, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 4th | - | - | 2nd |
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| 8/27/2021 | Lee County Speedway - Donnellson, IA Golden Eagle Distributing Season Championship Night Vintage Full Body Stock Cars, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Bill Roberts Jr (IMCA Modified) | 7th | - | - | 7th |
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| 8/28/2021 | 34 Raceway - West Burlington, IA Pepsi Season Championship - $5 Fan Appreciation 305 Sprints - Winged, Stock Cars, A Modifieds, Dirt Late Models, 2WD Trucks, Limited Sport Mod, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 6th | - | - | 4th |
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| 9/8/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Bill Roberts Jr (IMCA Modified) | 2nd | - | - | 19th |
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| 9/9/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s Sportsmans, Midwest Modifieds, Vintage Full Body Stock Cars, IMCA Modified, IMCA Stock Car | Results | | Bill Roberts Jr (IMCA Modified) | 8th | - | - | - |
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| 9/10/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s Generic 2, IMCA Modified, IMCA Stock Car | Results | | Bill Roberts Jr (IMCA Modified) | 4th | - | 18th (DNF) | - |
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| 9/11/2021 | Boone Speedway - Boone, IA 2021 IMCA Speedway Motors Super Nationals Fueled by Casey’s Midwest Modifieds, Vintage Full Body Stock Cars, Vintage Modifieds, Generic 1, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Bill Roberts Jr (IMCA Modified) | 5th | - | - | - |
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| 9/23/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Dubuque Speedway - EAST Dirt Super Late Models: SLMR Late Model Series Hobby Stocks, A Modifieds, B Modifieds, Vintage Full Body Stock Cars, Vintage Modifieds | Results | | Bill Roberts Jr (A Modifieds) | 3rd | - | - | 4th |
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| 9/26/2021 | East Moline Speedway - East Moline, IL Open Wheel Madness plus IMRA Midgets 360 Sprints - Winged, Midgets, Street Stocks, Sport Compact, IMCA Modified, IMCA Northern SportMod | Results | | Bill Roberts Jr (IMCA Modified) | 3rd | - | - | 7th |
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| 10/8/2021 | Lee County Speedway - Donnellson, IA Casey's Harvest Hustle Night 1 Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 3rd | - | - | 9th |
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| 10/9/2021 | Lee County Speedway - Donnellson, IA Casey's Harvest Hustle Night 2 Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 4th | - | - | 21st |
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| 10/14/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Iowa Dirt Nationals Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, IMCA Late Models, IMCA Modified | Results | | Bill Roberts Jr (A Modifieds) | 3rd | - | - | 16th |
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| 10/16/2021 | Dubuque Fairgrounds Speedway - Dubuque, IA Iowa Dirt Nationals Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Mini Mods, Sport Compact, IMCA Modified | Results | | Bill Roberts Jr (A Modifieds) | 5th | - | 4th | 14th |
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| 11/20/2021 | Lee County Speedway - Donnellson, IA Casey's and Midwest Performance & Power Shiverfest Stock Cars, Dirt Mini Trucks, A Modifieds, B Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Sport Compact | Results | | Bill Roberts Jr (A Modifieds) | 3rd | - | - | 16th |
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