| | Heat | Dash | B Feature | A Feature |
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| 8/10/2018 | Sweetwater Speedway - Rock Springs, WY Sweet Diamond Challenge Series A Modifieds, B Modifieds, Street Stocks, 250 yamaha | Results | | Matthew Firme (B Modifieds) | 2nd | - | - | 10th |
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| 8/11/2018 | Sweetwater Speedway - Rock Springs, WY Sweet Diamond Challenge Series A Modifieds, B Modifieds, Street Stocks, 250 yamaha | Results | | Matthew Firme (B Modifieds) | 4th | - | - | 7th |
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| 8/31/2018 | Sweetwater Speedway - Rock Springs, WY Fall Roundup A Modifieds, B Modifieds, Street Stocks, 250 yamaha | Results | | Matthew Firme (B Modifieds) | 3rd | - | - | 7th |
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| 9/1/2018 | Sweetwater Speedway - Rock Springs, WY Fall Roundup A Modifieds, B Modifieds, Street Stocks, 250 yamaha | Results | | Matthew Firme (B Modifieds) | 2nd | - | - | 4th |
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