| | Heat | Dash | B Feature | A Feature |
|---|
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|---|
| 2/26/2021 | Southern Illinois Center - DuQuoin, IL Midwest Winter Nationals Non-Wing Outlaw | Results | | Marvin Hephner (Non-Wing Outlaw) | - | - | - | - |
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| 2/26/2021 | Wayne County Speedway - Wayne City, IL DuQuoin Winter Nationals - Week 1 - Night 1 Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Junior Sprints, Lightning Sprints | Results | | Marvin Hephner (Non-Wing Outlaw) | 7th | - | 9th | - |
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| 2/27/2021 | Southern Illinois Center - DuQuoin, IL Midwest Winter Nationals Non-Wing Outlaw | Results | | Marvin Hephner (Non-Wing Outlaw) | - | - | - | - |
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| 2/27/2021 | Wayne County Speedway - Wayne City, IL DuQuoin Winter Nationals - Week 1 - Night 2 Winged Outlaw, Non-Wing Outlaw, Restricted 'A' Class, Winged A-Class, Junior Sprints, Lightning Sprints | Results | | Marvin Hephner (Non-Wing Outlaw) | 6th | - | 8th | - |
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| 5/26/2021 | Miami County Raceway - Peru, IN Performance Electronics "Bring the Wing" & Open Practice Winged Outlaw, Hybrid 600cc Micros | Results | | Marvin Hephner (Winged Outlaw) | - | - | - | - | | Marvin Hephner (Hybrid 600cc Micros) | - | - | - | - |
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| 5/27/2021 | Miami County Raceway - Peru, IN PE3 Non-Wing World Championship Hybrid 600cc Micros | Results | | Marvin Hephner (Hybrid 600cc Micros) | - | - | 5th | - |
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| 5/29/2021 | Miami County Raceway - Peru, IN PE3 Non-Wing World Championship Hybrid 600cc Micros | Results | | Marvin Hephner (Hybrid 600cc Micros) | - | - | - | - |
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