| | Heat | Dash | B Feature | A Feature |
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| 5/1/2021 | Casper Speedway - Casper, WY Season Opener Stock Cars, Vintage Modifieds, Dwarf, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | David O'Brien (IMCA Hobby Stock) | DNS | - | - | 6th |
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| 6/4/2021 | Casper Speedway - Casper, WY Stock Cars, Dwarf, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods | Results | | David O'Brien (IMCA Hobby Stock) | 4th | - | - | 5th (DNF) |
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| 6/18/2021 | Casper Speedway - Casper, WY 360 Sprints - Winged: ASCS Frontier Region Vintage Modifieds, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | David O'Brien (IMCA Hobby Stock) | 4th | - | - | 4th |
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| 7/4/2021 | Casper Speedway - Casper, WY Mike Welch Memorial Mod Four Series Stock Cars, Vintage Modifieds, Dwarf, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | David O'Brien (IMCA Hobby Stock) | 4th | - | - | 4th |
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| 7/5/2021 | Casper Speedway - Casper, WY Mike Welch Memorial Mod Four Series Dwarf, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | David O'Brien (IMCA Hobby Stock) | 2nd | - | - | 3rd |
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| 7/23/2021 | Casper Speedway - Casper, WY Stock Cars, Vintage Modifieds, Dwarf, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | David O'Brien (IMCA Hobby Stock) | 3rd | - | - | DNS |
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| 7/25/2021 | Casper Speedway - Casper, WY High Plains Late Model Series - Bob Schierkolk Memorial Dirt Super Late Models, Stock Cars, Vintage Modifieds, Dwarf, IMCA Hobby Stock, WISSOTA Mod Four | Results | | David O'Brien (IMCA Hobby Stock) | 4th | - | - | 4th |
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