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| 4/17/2021 | Maquoketa Speedway - Maquoketa, IA Season Opener w/ Midwest Jalopies Pro Legends, Vintage Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 5th | - | - | 3rd |
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| 4/23/2021 | Davenport Speedway - Davenport, IA Koehler Electric Season Opener A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Tim Sibley (Sport Compact) | 3rd | - | - | 5th |
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| 4/24/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing $250 to win Sport Compacts Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 4th | - | - | 5th |
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| 4/30/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Weekly Racing A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Tim Sibley (Sport Compact) | 2nd | - | - | 3rd |
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| 5/1/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 4th | - | - | 5th |
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| 5/7/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Weekly Racing A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact, IMCA Modified | Results | | Tim Sibley (Sport Compact) | 2nd | - | - | 10th |
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| 5/8/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing with AIRS Pro Legends, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Rain Out |
| 5/15/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing $750 to win IMCA Stock Cars Pro Legends, Vintage Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 3rd | - | - | 13th |
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| 5/22/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing w/ AIRS Pro Legends, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 2nd | - | - | 3rd |
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| 5/29/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing w/ School Bus Races Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 2nd | - | - | 3rd |
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| 6/4/2021 | Davenport Speedway - Davenport, IA Weekly Racing w/SLMR Late Models presented by HalaBuilt Competition Engines Dirt Super Late Models: SLMR Late Model Series A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Tim Sibley (Sport Compact) | 7th | - | - | 4th |
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| 6/5/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing $1000 to win INEX Legends Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 2nd | - | - | 2nd |
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| 6/11/2021 | Davenport Speedway - Davenport, IA Concrete Services Placing Night Weekly Racing Sportsmans, A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Tim Sibley (Sport Compact) | 5th | - | - | 2nd |
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| 6/12/2021 | Maquoketa Speedway - Maquoketa, IA Del Gade Memorial Race w/ AIRS Pro Legends, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 3rd | - | - | 2nd |
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| 6/18/2021 | Davenport Speedway - Davenport, IA Weekly Racing w/ Hoker Trucking SLMR Late Models Dirt Super Late Models: SLMR Late Model Series A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Tim Sibley (Sport Compact) | 4th | - | - | 2nd |
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| 6/19/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing w/ Midwest Jalopies Vintage Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 2nd | - | - | 3rd |
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| 7/3/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing w/ Bus Races Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 1st | - | - | 3rd |
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| 7/9/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Weekly Racing A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Vintage Modifieds, Sport Compact | Rain Out |
| 7/16/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Weekly Racing A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact, Mod Lites | Results | | Tim Sibley (Sport Compact) | 1st | - | - | 4th |
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| 7/17/2021 | Maquoketa Speedway - Maquoketa, IA Weekly Racing $500 to win IMCA Hobby Stocks Pro Legends, Vintage Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 2nd | - | - | 3rd |
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| 7/23/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Weekly Racing A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Vintage Modifieds, Sport Compact | Results | | Tim Sibley (Sport Compact) | 3rd | - | - | 3rd |
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| 7/29/2021 | Maquoketa Speedway - Maquoketa, IA Jackson County Fair Race Pro Legends, Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 6th | - | - | 5th |
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| 8/1/2021 | East Moline Speedway - East Moline, IL Weekly Racing Street Stocks, IMCA Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock, Mod Lites | Results | | Tim Sibley (Sport Compact) | 8th | - | - | 11th |
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| 8/7/2021 | Maquoketa Speedway - Maquoketa, IA Iowa Donor Network Hall of Fame Night $1000 to win IMCA Modifieds $750 to win IMCA SportMods Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 4th | - | - | 4th |
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| 8/8/2021 | East Moline Speedway - East Moline, IL Greg Durbin Memorial Street Stocks, Vintage Full Body Stock Cars, Sport Compact, IMCA Modified, IMCA Northern SportMod, Mod Lites | Results | | Tim Sibley (Sport Compact) | 1st | - | - | 6th |
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| 8/13/2021 | Davenport Speedway - Davenport, IA Ronnie Weedon Memorial Weekly Racing Sportsmans, A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Tim Sibley (Sport Compact) | 4th | - | - | 11th |
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| 8/14/2021 | Maquoketa Speedway - Maquoketa, IA Season Championship w/ Bus ROC Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 3rd | - | - | 6th |
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| 8/15/2021 | East Moline Speedway - East Moline, IL Concrete Services Placing Weekly Racing Street Stocks, IMCA Late Models, Sport Compact, IMCA Modified, IMCA Northern SportMod, IMCA Hobby Stock | Results | | Tim Sibley (Sport Compact) | 4th | - | - | 8th |
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| 8/20/2021 | Davenport Speedway - Davenport, IA Davenport Speedway Season Championship A Modifieds, B Modifieds, Street Stocks, Dirt Late Models, Sport Compact | Results | | Tim Sibley (Sport Compact) | 3rd | - | - | 7th |
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| 9/5/2021 | East Moline Speedway - East Moline, IL R.T. Fallen Hero's Street Stock Memorial Plus Nostalgia (classes TBD) Street Stocks, Vintage Full Body Stock Cars, Sport Compact, IMCA Modified, IMCA Northern SportMod | Results | | Tim Sibley (Sport Compact) | 6th | - | - | DNS |
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| 9/30/2021 | Cedar County Raceway - Tipton, IA Hoker Trucking Darkside Fall Bash IMCA Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 1st | - | - | 7th |
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| 10/1/2021 | Cedar County Raceway - Tipton, IA Hoker Trucking Darkside Fall Bash 600cc Modifieds, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Tim Sibley (IMCA Sport Compact) | 5th | - | - | 16th |
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