| | Heat | Dash | B Feature | A Feature |
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| 4/2/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO 410 Sprints - Winged: World of Outlaws B Modifieds | Results | | Dave Armstrong (B Modifieds) | 3rd | - | - | 4th |
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| 4/9/2021 | Lincoln Speedway - Lincoln, IL Fall Nationals 2020 Makeup Dirt Super Late Models, DIRTcar UMP Modifieds, B Modifieds, Hornets | Results | | Dave Armstrong (B Modifieds) | 4th | - | - | 8th |
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| 4/17/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 2nd | - | - | 3rd |
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| 4/30/2021 | Tri City Speedway - Granite City, IL Fast Friday Racing UMP LM, UMP Mods, BMods, UMP St Stk, UMP 4-Cyl & Winged Micros DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sport Compact, Winged Outlaw, B Modifieds, Street Stocks | Results | | Dave Armstrong (B Modifieds) | 2nd | - | - | 5th |
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| 5/1/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 3rd | - | - | 7th |
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| 5/14/2021 | Tri City Speedway - Granite City, IL Fast Friday Racing UMP Mods, BMods (Double Features $500/$75), UMP St Stk, & UMP 4-Cyl (No LM) DIRTcar UMP Modifieds, DIRTcar Sport Compact, B Modifieds, Street Stocks | Results | | Dave Armstrong (B Modifieds) | 3rd | - | - | 8th |
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| 5/22/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 2nd | - | - | 1st |
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| 5/29/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 2nd | - | - | 5th |
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| 6/5/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (DIRTcar UMP Modifieds) | 3rd | - | - | 4th | | Dave Armstrong (B Modifieds) | 8th | - | - | 4th |
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| 6/12/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 3rd | - | - | 2nd |
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| 6/19/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Ray Marler's Birthday Bash DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 1st | - | - | 2nd |
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| 7/3/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Pro 4 Challenge & UMP Pro Mods DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 4th | - | - | 2nd |
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| 7/17/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Fan Appreciation & Kids Night DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 2nd | - | - | 3rd |
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| 7/28/2021 | Highland Speedway - Highland, IL Madison County Fair Race DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds, Street Stocks | Results | | Dave Armstrong (B Modifieds) | 2nd | - | - | 2nd |
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| 8/14/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO DIRTcar Summer Nationals DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals B Modifieds | Results | | Dave Armstrong (B Modifieds) | 3rd | - | - | 19th |
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| 8/21/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 2nd | - | - | 1st |
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| 8/28/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 3rd | - | - | 17th |
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| 9/11/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Weekly Racing DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 1st | - | - | 1st |
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| 9/17/2021 | Tri City Speedway - Granite City, IL Fan App & TDT Night UMP LM, Mods St Stk & 4-cyl with BMods, Winged Micros & Kids Power Wheels DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sport Compact, Winged Outlaw, B Modifieds, Street Stocks | Results | | Dave Armstrong (DIRTcar UMP Modifieds) | 5th | - | 3rd | 19th |
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| 9/18/2021 | Federated Auto Parts I-55 Raceway - Pevely, MO Pepsi Nationals DIRTcar Late Models, DIRTcar UMP Modifieds, DIRTcar Sportsmans, DIRTcar Sport Compact, B Modifieds | Results | | Dave Armstrong (B Modifieds) | 1st | - | - | 2nd |
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| 9/23/2021 | Tri City Speedway - Granite City, IL 17th Annual Summit Modified Mania with Twin Mod Features $2000 to win each and UMP LM $3000 to win DIRTcar Late Models, DIRTcar UMP Modifieds | Results | | Dave Armstrong (DIRTcar UMP Modifieds) | 4th | - | - | 13th |
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| 9/24/2021 | Tri City Speedway - Granite City, IL 17th Annual Summit Modified Mania with Twin Mod Features $2000 to win each and UMP LM $3000 to win DIRTcar Late Models, DIRTcar UMP Modifieds | Results | | Dave Armstrong (DIRTcar UMP Modifieds) | 6th | - | 7th | - |
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| 9/25/2021 | Tri City Speedway - Granite City, IL 17th Annual Summit Mod Mania $5000/$500 $1K Non-Q race, LM $3000 & BMods $1000 (start 1 hr early) DIRTcar Late Models, DIRTcar UMP Modifieds, B Modifieds | Results | | Dave Armstrong (DIRTcar UMP Modifieds) | - | - | 11th | - | | Dave Armstrong (B Modifieds) | 1st | - | - | 4th |
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| 10/22/2021 | Tri City Speedway - Granite City, IL 7th Annual Bullet Racing Engines B-Mod Bash Twin $1500 Features, Mods, OC St Stk, OC 4-Cyl DIRTcar UMP Modifieds, DIRTcar Sport Compact, B Modifieds, Street Stocks | Results | | Dave Armstrong (B Modifieds) | 1st | - | - | 2nd |
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| 10/23/2021 | Tri City Speedway - Granite City, IL 7th Annual Bullet Racing Engines BMod $3K (Non-Qual $1K) Mod, OC StStk, OC 4Cyl & Sptsman(1hr early) DIRTcar UMP Modifieds, DIRTcar Sport Compact, Sportsmans, Non-Wing Outlaw, B Modifieds, Street Stocks | Results | | Dave Armstrong (B Modifieds) | 2nd | - | - | 5th |
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