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| 2/15/2020 | Abilene Speedway - Abilene, TX Sniper Speed Lone Star IMCA Stock Car Tour Opener IMCA Stock Car: IMCA Lone Star Stock Car Tour Asphalt Mini Stocks, Street Stocks, IMCA Modified, IMCA Southern SportMod, IMCA Sport Compact | Results | | Jeff Mueller (IMCA Stock Car) | 3rd | - | 1st | 10th |
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| 2/16/2020 | Heart O' Texas Speedway - Waco, TX Sniper Speed Lone Star IMCA Stock Car Tour Race 2 IMCA Stock Car: IMCA Lone Star Stock Car Tour Factory Stocks, IMCA Modified, IMCA Southern SportMod | Results | | Jeff Mueller (IMCA Stock Car) | 1st | - | - | 19th |
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| 5/9/2020 | Hamilton County Speedway - Webster City, IA Season Opener Dirt Super Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Jeff Mueller (USRA Stock Cars) | 7th | - | 5th | 17th |
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| 5/16/2020 | Boone Speedway - Boone, IA Season Opener 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jeff Mueller (IMCA Stock Car) | 3rd | - | - | 20th (DNF) |
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| 5/23/2020 | Boone Speedway - Boone, IA Saturday Night Series #2 - Mod Lite Mania Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jeff Mueller (IMCA Stock Car) | 6th | - | 3rd | 14th |
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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 | | Jeff Mueller (IMCA Stock Car) | 5th | - | 11th (DNF) | - |
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| 6/2/2020 | Marshalltown Speedway - Marshalltown, IA Open Test n' Tune Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jeff Mueller (IMCA Stock Car) | - | - | - | - |
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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 | | Jeff Mueller (IMCA Stock Car) | 2nd | - | - | 3rd |
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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 | | Jeff Mueller (IMCA Stock Car) | 1st | - | - | 4th |
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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 | | Jeff Mueller (IMCA Stock Car) | 2nd | - | - | 9th |
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| 6/14/2020 | Benton County Speedway - Vinton, IA Weekly Racing Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Jeff Mueller (IMCA Stock Car) | 2nd | - | - | 5th |
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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 | | Jeff Mueller (IMCA Stock Car) | 1st | - | - | 2nd |
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| 6/21/2020 | Benton County Speedway - Vinton, IA Weekly Racing Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Jeff Mueller (IMCA Stock Car) | 6th | - | - | 12th (DNF) |
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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 | | Jeff Mueller (IMCA Stock Car) | 1st | - | - | 1st |
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| 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 | | Jeff Mueller (IMCA Stock Car) | 6th (DNF) | - | 1st | 24th (DNF) |
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| 7/22/2020 | 141 Speedway - Maribel, WI King of the Creek $5,000.00 to Win IMCA Stock Car Qualifying $750 to win IMCA Mods and $200 Compacts Sport Compact, IMCA Modified, IMCA Stock Car | Results | | Jeff Mueller (IMCA Stock Car) | 4th | - | - | 29th |
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| 7/23/2020 | 141 Speedway - Maribel, WI King of the Creek $5,000.00 to Win IMCA Stock Car $500.00 to Win IMCA SportMods and Street Stocks Sportsmans, IMCA Northern SportMod, IMCA Stock Car | Results | | Jeff Mueller (IMCA Stock Car) | 4th | - | 4th | 13th |
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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 | | Jeff Mueller (IMCA Stock Car) | 5th | - | - | 22nd (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 | | Jeff Mueller (IMCA Stock Car) | 3rd | - | - | 1st |
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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 | | Jeff Mueller (IMCA Stock Car) | 1st | - | - | 3rd |
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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 | | Jeff Mueller (IMCA Stock Car) | 2nd | - | - | 5th |
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| 9/5/2020 | Boone Speedway - Boone, IA Wild Rose Casino Prelude to the Super Nationals IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Jeff Mueller (IMCA Stock Car) | 7th | - | DNS | - |
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| 9/9/2020 | Boone Speedway - Boone, IA 2020 IMCA Speedway Motors Super Nationals Fueled by Casey’s IMCA Modified, IMCA Stock Car | Results | | Jeff Mueller (IMCA Stock Car) | 6th (DNF) | - | - | - |
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| 9/10/2020 | Boone Speedway - Boone, IA 2020 IMCA Speedway Motors Super Nationals Fueled by Casey’s Midwest Modifieds, Vintage Full Body Stock Cars, IMCA Modified, IMCA Stock Car | Results | | Jeff Mueller (IMCA Stock Car) | 1st | - | - | - |
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| 9/13/2020 | Boone Speedway - Boone, IA 2020 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 | | Jeff Mueller (IMCA Stock Car) | - | - | - | - |
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| 9/17/2020 | Marshalltown Speedway - Marshalltown, IA Fast Shafts Dale DeFrance Thursday Night Thunder 500th IMCA Summer Series Late Model Event Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jeff Mueller (IMCA Stock Car) | 2nd | - | - | 1st |
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| 9/18/2020 | Marshalltown Speedway - Marshalltown, IA 14th Annual World Nationals Presented by Speed Shift TV IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jeff Mueller (IMCA Stock Car) | 9th (DNF) | - | 3rd | - |
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| 9/19/2020 | Marshalltown Speedway - Marshalltown, IA 14th Annual World Nationals Presented by Speed Shift TV IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Jeff Mueller (IMCA Stock Car) | 1st | - | - | 1st |
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| 10/1/2020 | Cedar County Raceway - Tipton, IA Hoker Trucking Fall Bash Night 1 IMCA Late Models, Super Stocks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact | Results | | Jeff Mueller (IMCA Stock Car) | 2nd | - | - | 1st |
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| 10/2/2020 | Cedar County Raceway - Tipton, IA Fall Bash 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Jeff Mueller (IMCA Stock Car) | 8th | - | 13th | - |
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