| | Heat | Dash | B Feature | A Feature |
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| 4/29/2018 | Interstate Speedway (SD) - Jefferson, SD Raceway Park Dirt Late Models: Tri-State Late Models | Results | | Kevin Larson (Dirt Late Models) | - | - | - | 11th |
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| 5/31/2018 | Sioux Speedway - Sioux Center, IA Sioux Speedway Dirt Late Models: Tri-State Late Models | Results | | Kevin Larson (Dirt Late Models) | 6th | - | - | 16th |
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| 6/15/2018 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + Tri State Late Models Dirt Late Models: Tri-State Late Models DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds, Economy Late Models | Results | | Kevin Larson (Dirt Late Models) | 6th | - | - | 14th (DNF) | | Kevin Larson (Economy Late Models) | - | - | - | (DNF) |
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| 6/17/2018 | Interstate Speedway (SD) - Jefferson, SD Raceway Park Dirt Late Models: Tri-State Late Models | Results | | Kevin Larson (Dirt Late Models) | - | - | - | 11th |
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| 6/29/2018 | Wagner Speedway - Wagner, SD WS Dirt Late Models: Tri-State Late Models Hobby Stocks, B Modifieds, Sport Compact, WISSOTA Super Stock | Results | | Kevin Larson (Dirt Late Models) | 6th | - | - | 15th (DNF) |
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| 7/17/2018 | Rapid Speedway - Rock Rapids, IA 3rd Annual Randy Droescher Memorial 360 Sprints - Winged: Midwest Sprint Touring Series Dirt Late Models: Tri-State Late Models DIRTcar Late Models | Results | | Kevin Larson (Dirt Late Models) | 6th | - | - | 16th (DNF) | | Kevin Larson (Economy Late Models) | - | - | - | - |
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| 7/22/2018 | Interstate Speedway (SD) - Jefferson, SD Raceway Park Dirt Late Models: Tri-State Late Models | Results | | Kevin Larson (Dirt Late Models) | - | - | - | 15th |
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| 8/10/2018 | Wagner Speedway - Wagner, SD 305 Sprints - Winged: IMCA RaceSaver Sprints Hobby Stocks, B Modifieds, Dirt Late Models, Sport Compact, WISSOTA Super Stock | Results | | Kevin Larson (Dirt Late Models) | 5th | - | - | 11th (DNF) |
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| 8/17/2018 | Wagner Speedway - Wagner, SD WS Hobby Stocks, B Modifieds, Dirt Late Models, Sport Compact, WISSOTA Super Stock | Results | | Kevin Larson (Dirt Late Models) | 6th | - | - | 11th |
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| 8/24/2018 | Wagner Speedway - Wagner, SD WS Dirt Late Models: Tri-State Late Models Hobby Stocks, B Modifieds, Sport Compact, WISSOTA Super Stock | Results | | Kevin Larson (Dirt Late Models) | 5th | - | - | 16th (DNF) |
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| 9/8/2018 | Wagner Speedway - Wagner, SD September Sprint-tacular 360 Sprints - Winged: Midwest Sprint Touring Series Dirt Late Models: Tri-State Late Models 305 Sprints - Winged, Hobby Stocks, B Modifieds, Street Stocks | Results | | Kevin Larson (Dirt Late Models) | 6th | - | - | 13th |
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| 9/15/2018 | Rapid Speedway - Rock Rapids, IA Rapid Nationals Night #2 Dirt Late Models: Tri-State Late Models DIRTcar Late Models, DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Kevin Larson (Dirt Late Models) | 6th | - | - | 19th | | Kevin Larson (Economy Late Models) | - | - | - | - |
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