| | Heat | Dash | B Feature | A Feature |
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| 9/3/2021 | Tri-State Speedway - Pocola, OK 23rd Annual Super Stock Showdown Honoring Randy Russell - Qualifying Super Sports, USRA Stock Cars | Results | | Matthew Harp (Super Sports) | 4th | - | - | - |
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| 9/4/2021 | Tri-State Speedway - Pocola, OK 23rd Annual Super Stock Showdown Honoring Randy Russell - Features Super Sports, USRA B-Mods, USRA Factory Stocks, USRA Stock Cars | Results | | Matthew Harp (Super Sports) | - | - | 7th | - |
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| 9/11/2021 | Salina Highbanks Speedway - Salina, OK NAAPWS CHAMPIONSHIP - POWDER PUFF Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Enduro | Results | | Matthew Harp (Street Stocks) | 6th (DNF) | - | - | DNS |
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| 9/18/2021 | Salina Highbanks Speedway - Salina, OK 9th ANNUAL SOONER SHOWDOWN - CHAMPIONSHIP NIGHT - PRESENTED BY JOE"S HAND CLEANER Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Enduro | Results | | Matthew Harp (Street Stocks) | 5th | - | - | DNS |
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| 9/25/2021 | Salina Highbanks Speedway - Salina, OK AmeriFlex Challenge 6 - $3,000 to win / $1,000 to start Champ 360 Sprints - Winged: Oil Capital Racing Series Hobby Stocks, A Modifieds, B Modifieds, Street Stocks | Results | | Matthew Harp (Street Stocks) | 2nd | - | - | 5th |
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| 10/9/2021 | Salina Highbanks Speedway - Salina, OK ENDURO EXTRAVAGANZA Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Enduro, Generic 1 | Results | | Matthew Harp (Street Stocks) | 5th | - | - | 7th (DNF) |
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