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| 4/10/2021 | Boone Speedway - Boone, IA Season Opener IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 8th | - | - | 11th |
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| 4/16/2021 | Marshalltown Speedway - Marshalltown, IA Hoker Trucking East Super Late Models Series Kevin "Sharp Shooter" Miller Lite 30 Dirt Super Late Models: SLMR Late Model Series Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Thomas Messamer (Dwarf) | 6th | - | - | 12th |
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| 4/17/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #2 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 6th | - | - | 17th |
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| 4/23/2021 | Marshalltown Speedway - Marshalltown, IA Sleeping Angel's Foundation Fundraiser Night Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Thomas Messamer (Dwarf) | 6th | - | - | 11th |
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| 4/24/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #3 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 9th | - | - | 13th |
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| 4/30/2021 | Marshalltown Speedway - Marshalltown, IA LOCAL UAW 893 Cliff Chambers Memorial Dwarf, Dirt Pro Trucks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Thomas Messamer (Dwarf) | 6th | - | - | 11th |
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| 5/1/2021 | Dallas County Speedway (IA) - Adel, IA Race Night / Autograph Night / Veterans Night Hobby Stocks, Hornets, 600cc Modifieds, Enduro, Sport Compact, Figure 8 - FWD Stock, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | Thomas Messamer (600cc Modifieds) | 2nd | - | - | 2nd |
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| 5/5/2021 | Stuart Speedway - Stuart, IA Bill Davis Memorial 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 5th | - | - | 10th |
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| 5/8/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #4 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Rain Out |
| 5/12/2021 | Stuart Speedway - Stuart, IA Jake Durbin Memorial 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 5th | - | - | 9th |
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| 5/14/2021 | Marshalltown Speedway - Marshalltown, IA Casey's Salute to Military / Haverhill Social Club Night Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Messamer (Dwarf) | 5th | - | - | - |
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| 5/15/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #5 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 5th | - | - | 13th |
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| 5/22/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #6 Dirt Mini Trucks, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 8th | - | - | 12th |
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| 5/28/2021 | Dallas County Speedway (IA) - Adel, IA Friday Night Race / Kids Bike Night Hobby Stocks, Hornets, 600cc Modifieds, Enduro, Sport Compact, Figure 8 - RWD-Stock, Figure 8 - RWD-Open | Results | | Thomas Messamer (600cc Modifieds) | 3rd | - | - | 3rd |
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| 5/29/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #7 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 7th | - | 7th | - |
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| 5/30/2021 | Stuart Speedway - Stuart, IA Whole Hog 50 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Sport Compact, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 7th | - | - | 21st (DNF) |
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| 6/4/2021 | Marshalltown Speedway - Marshalltown, IA Old Timers Lounge Night Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Messamer (Dwarf) | 5th | - | - | 11th |
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| 6/5/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #8 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 9th | - | - | 13th |
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| 6/11/2021 | Marshalltown Speedway - Marshalltown, IA Casey's Salute to Marshalltown Firefighters, EMTs and First Responders Dwarf, IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Thomas Messamer (Dwarf) | 7th | - | - | 6th |
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| 6/12/2021 | Boone Speedway - Boone, IA Saturday Night Series #9 + IMCA Weekly Points – $500 to win Stock Cars IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 4th | - | - | 14th (DNF) |
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| 7/16/2021 | Marshalltown Speedway - Marshalltown, IA Toby K's Hideaway $1,000.00 to Win IMCA Stock Cars Dwarf, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Thomas Messamer (Dwarf) | 5th | - | - | 11th |
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| 7/17/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #14 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 7th | - | - | 18th |
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| 7/21/2021 | Stuart Speedway - Stuart, IA Clint Walrod Memorial 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 6th | - | - | 18th |
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| 7/24/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #15 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 3rd | - | - | 16th (DNF) |
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| 7/31/2021 | Boone Speedway - Boone, IA Salute to Veterans/Saturday Night Series Weekly #16 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 6th | - | - | 10th |
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| 8/14/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #18 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 6th | - | - | 17th |
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| 8/21/2021 | Boone Speedway - Boone, IA Saturday Night Series Weekly #19 IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 8th | - | - | 14th |
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| 8/28/2021 | Boone Speedway - Boone, IA Season Championship IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 8th | - | - | 14th |
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| 9/4/2021 | Boone Speedway - Boone, IA Wild Rose Casino Prelude to the Super Nationals IMCA Modified, IMCA Stock Car, Pro Dwarf, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 6th | - | - | - |
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| 9/5/2021 | Boone Speedway - Boone, IA Wild Rose Casino Prelude to the Super Nationals IMCA Northern SportMod, IMCA Hobby Stock, IMCA Sport Compact, Pro Dwarf, IMCA Mod Lite | Results | | Thomas Messamer (IMCA Mod Lite) | 6th (DNF) | - | - | 15th |
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