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| 6/9/2019 | Clay County Fair Speedway - Spencer, IA Rabel Construction Contractors Night 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Randy Rosenboom (A Modifieds) | DNS | - | - | DNS |
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| 6/13/2019 | Clay County Fair Speedway - Spencer, IA Norgaard Sand & Gravel Tri-State Late Models Dirt Late Models: Tri-State Late Models Hobby Stocks, B Modifieds, Sport Compact | Results | | Randy Rosenboom (Dirt Late Models) | 6th | - | - | 20th (DNF) |
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| 7/14/2019 | Clay County Fair Speedway - Spencer, IA Spencer Auto Parts Night 305 Sprints - Winged, Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Randy Rosenboom (A Modifieds) | 8th | - | - | 10th |
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| 7/23/2019 | Rapid Speedway - Rock Rapids, IA Lyon County Fair Races (360 Sprints, Tri-State Late Models & A-Modifieds) 360 Sprints - Winged: Malvern Bank 360 Sprints Dirt Late Models: Tri-State Late Models Stock Cars, USRA Modifieds | Results | | Randy Rosenboom (Dirt Late Models) | 5th | - | - | 6th | | Randy Rosenboom (Economy Late Models) | - | - | - | - |
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| 8/4/2019 | Clay County Fair Speedway - Spencer, IA Hahn Roofing "The Knight Before" Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Randy Rosenboom (A Modifieds) | 8th | - | - | 14th |
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| 8/8/2019 | Worthington Speedway - Worthington, MN Nobles County Fair Races Sportsmans, A Modifieds, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars, USRA Tuners | Results | | Randy Rosenboom (A Modifieds) | 7th | - | - | 13th |
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| 8/11/2019 | Clay County Fair Speedway - Spencer, IA Midwest Spray Foam Season Championshp Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Randy Rosenboom (A Modifieds) | 6th (DNF) | - | - | 14th |
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| 9/6/2019 | Rapid Speedway - Rock Rapids, IA Rapid Speedway Nationals Dirt Late Models: Tri-State Late Models 360 Sprints - Winged, DIRTcar Sportsmans, USRA B-Mods, USRA Hobby Stocks, USRA Stock Cars | Results | | Randy Rosenboom (Dirt Late Models) | 5th | - | - | 10th | | Randy Rosenboom (Economy Late Models) | - | - | - | - |
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