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| 5/30/2020 | Boone Speedway - Boone, IA Saturday Night Series - Weekly Points Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | DNS | - | 10th | - |
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| 6/5/2020 | Marshalltown Speedway - Marshalltown, IA New and Tenetive Season Opener Old Timers Lounge Night Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 7th | - | - | 19th (DNF) |
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| 6/6/2020 | Boone Speedway - Boone, IA Saturday Night Series #4 Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, Lawn Mower Supermodified, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 7th | - | - | 15th |
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| 6/12/2020 | Marshalltown Speedway - Marshalltown, IA RBF Electric Night $400.00 to win IMCA Hobby Stock Feature Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 7th | - | - | 16th |
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| 6/13/2020 | Boone Speedway - Boone, IA Saturday Night Series #5 - Excel Floor Covering Modified King of the Hill 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, Lawn Mower Supermodified, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 7th | - | 10th | - |
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| 6/20/2020 | Boone Speedway - Boone, IA Saturday Night Series #6 Hobby Stocks, Dirt Mini Trucks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, Lawn Mower Supermodified, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 7th | - | 5th | - |
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| 6/26/2020 | Marshalltown Speedway - Marshalltown, IA RBF Electric Make Up Features Plus Full Weekly Show Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 5th | - | - | 17th |
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| 6/27/2020 | Boone Speedway - Boone, IA Rage Chassis Super Saturday w/ Karl Chevrolet - $1000 to win Modifieds, $750 to Win Sport Mods Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, Lawn Mower Supermodified, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 9th | - | 11th (DNF) | - |
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| 7/3/2020 | Marshalltown Speedway - Marshalltown, IA Wolf Seeds Night at the Races Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 6th | - | 5th | - |
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| 7/4/2020 | Boone Speedway - Boone, IA Saturday Night Series + Eve of Destruction Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, Lawn Mower Supermodified, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 4th | - | - | 15th |
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| 7/10/2020 | Marshalltown Speedway - Marshalltown, IA Williamson Repair Night at the Races Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 7th | - | 7th (DNF) | - |
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| 7/11/2020 | Boone Speedway - Boone, IA Saturday Night Series #9 - Excel Floor Covering Stock Car King of the Hill Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, Lawn Mower Supermodified, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Rain Out |
| 7/17/2020 | Marshalltown Speedway - Marshalltown, IA Balmer Racing Night at the Races $1,000.00 to win IMCA Stock Car Feature Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 8th | - | - | 18th (DNF) |
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| 7/24/2020 | Marshalltown Speedway - Marshalltown, IA Casey's & Rumors Bar and Grille Salute to Mashalltown Law Enforcement Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 8th | - | - | 12th |
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| 7/25/2020 | Boone Speedway - Boone, IA Saturday Night Series #11 - Hawkeye Challenge 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, Lawn Mower Supermodified, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 9th | - | 5th | - |
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| 7/28/2020 | Davenport Speedway - Davenport, IA World of Outlaws Morton Buildings Late Models Dirt Super Late Models: World of Outlaws - Late Models B Modifieds | Results | | Dennis Stewart (B Modifieds) | 7th | - | - | 17th |
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| 7/31/2020 | Marshalltown Speedway - Marshalltown, IA Triple E Insulator Night at the Races Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 6th | - | - | 13th (DNF) |
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| 8/1/2020 | Boone Speedway - Boone, IA D&E Outside Services Watermelon Classic, P1 Promotions Modified Challenge, P2R 2nd Chance Showdown Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 5th | - | - | 23rd (DNF) |
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| 8/7/2020 | Marshalltown Speedway - Marshalltown, IA Shawn's Custom Hay Grinding Night at the Races IMCA Late Model Season Championship Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 6th | - | 4th | 20th (DNF) |
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| 8/8/2020 | Boone Speedway - Boone, IA Saturday Night Series #13 - Excel Floor Covering | Joe Busch Ag Repair Sport Mod Dash Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 8th | - | 10th | - |
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| 8/9/2020 | Benton County Speedway - Vinton, IA POWRi Iowa Sprint Car League at Benton County Speedway Non-Winged Sprints: Iowa Sprint Car League Winged Outlaw, Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dennis Stewart (IMCA Northern SportMod) | 10th | - | - | 11th |
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| 8/15/2020 | Boone Speedway - Boone, IA Saturday Night Series #14 - IMCA Sport Compact Shakedown Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dennis Stewart (IMCA Northern SportMod) | 5th | - | 12th (DNF) | - |
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| 8/16/2020 | Benton County Speedway - Vinton, IA Weekly Racing: Kid's Night with Race Car Rides Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dennis Stewart (IMCA Northern SportMod) | 8th | - | - | 20th |
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| 8/19/2020 | Stuart Speedway - Stuart, IA Hall of Fame Induction Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds, Sport Compact, IMCA Modified | Results | | Dennis Stewart (B Modifieds) | DNS | - | - | DNS |
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| 8/21/2020 | Marshalltown Speedway - Marshalltown, IA KMJ Performance FREE Grandstand plus Speed Shift TV Night at the Races Plus North Iowa Vintage Cars Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | DNS | - | - | DNS |
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| 8/22/2020 | Boone Speedway - Boone, IA Saturday Night Series #15 Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 4th | - | - | 19th |
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| 8/29/2020 | Boone Speedway - Boone, IA Saturday Night Series #16 - Season Championship & Banquet Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Dennis Stewart (IMCA Northern SportMod) | 7th | - | - | 19th |
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| 8/30/2020 | Benton County Speedway - Vinton, IA IMCA SpeedShiftTV Dirt Knights Tour IMCA Modified: IMCA SpeedShiftTV Dirt Knights Tour IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dennis Stewart (IMCA Northern SportMod) | 6th | - | - | 13th |
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| 9/4/2020 | Marshalltown Speedway - Marshalltown, IA Safelite Auto Glass Showdown at MoTown IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Dennis Stewart (IMCA Northern SportMod) | 7th | - | - | 12th |
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| 11/7/2020 | CJ Speedway - Columbus Junction, IA 4th Annual Turkey Dash 1 Day Show Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Dennis Stewart (B Modifieds) | 7th | - | 6th | - |
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