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| 5/15/2021 | Miami County Raceway - Peru, IN Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Junior Sprints, Sportsman Micros, Hybrid 600cc Micros | Results | | Steve Shellenberger (Sportsman Micros) | 4th | - | - | 13th | | Steve Shellenberger (Hybrid 600cc Micros) | 4th | - | - | 11th |
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| 5/22/2021 | Miami County Raceway - Peru, IN $1000 Outlaw Non-Wing/$500 A-Class Non-Wing /Weekly Show (Outlaw Wing) Winged Outlaw, Restricted 'A' Class, Winged A-Class, Junior Sprints, Sportsman Micros, Hybrid 600cc Micros, Senior Micros | Results | | Steve Shellenberger (Sportsman Micros) | 6th | - | - | 7th | | Steve Shellenberger (Senior Micros) | 6th | - | - | 13th (DNF) |
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| 7/2/2021 | Hartford Speedway - Hartford, MI 4th of July Celebration DIRTcar UMP Modifieds, Hobby Stocks, Stock Cars | Results | | Steve Shellenberger (DIRTcar UMP Modifieds) | 3rd | - | - | 8th |
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| 8/13/2021 | Hartford Speedway - Hartford, MI 360 Sprints - Winged: GLSS-Great Lakes Super Sprints DIRTcar UMP Modifieds, Hobby Stocks, Stock Cars | Results | | Steve Shellenberger (DIRTcar UMP Modifieds) | 5th | - | - | 10th |
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| 8/18/2021 | Butler Speedway - Quincy, MI DIRTCAR SUMMER NATIONALS DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals | Results | | Steve Shellenberger (DIRTcar UMP Modifieds) | 8th | - | 6th | - |
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| 8/19/2021 | I-96 Speedway - Lake Odessa, MI Summer Nationals Hell Tour | Cyber Stocks $500 To Win - $100 To Start DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals Sport Compact | Results | | Steve Shellenberger (DIRTcar UMP Modifieds) | 6th | - | 7th | 15th |
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| 9/18/2021 | Miami County Raceway - Peru, IN Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Junior Sprints, Sportsman Micros, Hybrid 600cc Micros, Senior Micros | Results | | Steve Shellenberger (Winged Outlaw) | 6th | - | - | 9th | | Steve Shellenberger (Sportsman Micros) | 3rd | - | - | 8th | | Steve Shellenberger (Hybrid 600cc Micros) | 5th | - | 4th | 17th |
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| 9/25/2021 | Miami County Raceway - Peru, IN Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Junior Sprints, Sportsman Micros, Hybrid 600cc Micros, Senior Micros | Results | | Steve Shellenberger (Sportsman Micros) | 3rd | - | - | DNS | | Steve Shellenberger (Hybrid 600cc Micros) | 7th | - | - | - |
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| 10/9/2021 | Miami County Raceway - Peru, IN Fall Fest / Hooligans / Closing Night(rain out date) 305 Sprints - Winged, Winged Outlaw, Restricted 'A' Class, Winged A-Class, Junior Sprints, 1200cc Outlaws Non-Winged Minis, Lightning Sprints, Sportsman Micros, Hybrid 600cc Micros, Senior Micros | Results | | Steve Shellenberger (305 Sprints - Winged) | 6th | - | - | 12th | | Steve Shellenberger (Sportsman Micros) | 4th | - | - | 4th | | Steve Shellenberger (Hybrid 600cc Micros) | 3rd | - | - | 5th |
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| 10/16/2021 | Kokomo Speedway - Kokomo, IN Kokomo Klash XV 305 Sprints - Winged, Dirt Super Late Models, A Modifieds, Street Stocks, Hornets, Super Stocks | Results | | Steve Shellenberger (A Modifieds) | - | - | - | - |
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