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| 4/2/2021 | Marshalltown Speedway - Marshalltown, IA 141 Speedway / Left Turn Lounge IMCA FrostBuster IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock | Results | | Justin Tharp (IMCA Hobby Stock) | 8th | - | 6th | - |
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| 4/4/2021 | Benton County Speedway - Vinton, IA IMCA Frost Buster IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Justin Tharp (IMCA Hobby Stock) | 6th | - | - | 15th |
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| 4/18/2021 | Benton County Speedway - Vinton, IA Weekly IMCA Racing Season Opener IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Justin Tharp (IMCA Hobby Stock) | 7th | - | - | 13th |
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| 5/2/2021 | Benton County Speedway - Vinton, IA Weekly IMCA Racing Plus Late Models Dirt Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Justin Tharp (IMCA Hobby Stock) | 5th | - | - | 11th |
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| 5/9/2021 | Benton County Speedway - Vinton, IA Weekly IMCA Racing Plus Micro Sprints Winged Outlaw, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Justin Tharp (IMCA Hobby Stock) | 5th | - | - | 9th |
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| 5/23/2021 | Benton County Speedway - Vinton, IA Weekly IMCA Racing Plus A.I.R.S Cars Vintage Full Body Stock Cars, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Justin Tharp (IMCA Hobby Stock) | 6th | - | - | 12th |
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| 5/30/2021 | Benton County Speedway - Vinton, IA Benton County Speedway - EAST Dirt Super Late Models: SLMR Late Model Series Dirt Late Models, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Justin Tharp (IMCA Hobby Stock) | 6th | - | - | 11th |
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| 6/6/2021 | Benton County Speedway - Vinton, IA IMCA Weekly Racing Plus Legends Pro Legends, IMCA Modified, IMCA Northern SportMod, IMCA Stock Car, IMCA Hobby Stock, IMCA Sport Compact | Results | | Justin Tharp (IMCA Hobby Stock) | DNS | - | - | 11th |
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