| | Heat | Dash | B Feature | A Feature |
|---|
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| 5/29/2021 | Gillette Thunder Speedway - Gillette, WY $ Month of Money $ Series IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | Justin Williams (WISSOTA Midwest Mods) | 6th (DNF) | - | - | 18th (DNF) |
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| 6/5/2021 | Gillette Thunder Speedway - Gillette, WY PACK THE STANDS! $ Month Of Money $ Series Finale IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model | Results | | Justin Williams (WISSOTA Midwest Mods) | 6th (DNF) | DNS | - | 11th |
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| 6/12/2021 | Gillette Thunder Speedway - Gillette, WY ASCS Elite North - Non-Wing Sprint Car Tour Non-Winged Sprints, 305 Sprints - Non-Winged, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four | Results | | Justin Williams (WISSOTA Midwest Mods) | 2nd | - | - | 6th |
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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 | | Justin Williams (WISSOTA Midwest Mods) | 4th | - | - | 6th |
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| 7/17/2021 | Gillette Thunder Speedway - Gillette, WY IMCA Modified .38 Special Sport Compact, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model | Results | | Justin Williams (WISSOTA Midwest Mods) | 3rd | - | - | 20th |
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| 9/3/2021 | Gillette Thunder Speedway - Gillette, WY 21ST ANNUAL EAST-WEST CLASH IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Justin Williams (IMCA Hobby Stock) | 4th | - | - | 11th |
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| 9/4/2021 | Gillette Thunder Speedway - Gillette, WY 21ST ANNUAL EAST-WEST CLASH Sport Compact, IMCA Modified, IMCA Hobby Stock, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Late Model, WISSOTA Street Stock | Results | | Justin Williams (IMCA Hobby Stock) | 3rd | - | - | 14th (DNF) |
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