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| 3/26/2021 | Ocean Speedway - Watsonville, CA Taco Bravo Round # 2 360 Sprints - Winged, Midgets, Factory Stocks, Hobby Stocks, A Modifieds | Results | | Shawn Arriaga (Midgets) | 5th | - | - | 10th |
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| 4/3/2021 | Placerville Speedway - Placerville, CA Points Race #2 | Easter Eggstravaganza 360 Sprints - Non-Winged: Joe Hunt Magneto Series 360 Sprints - Winged, Dirt Mini Trucks, Pure Stock | Results | | Shawn Arriaga (360 Sprints - Non-Winged) | 3rd | - | - | 10th |
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| 4/16/2021 | Ocean Speedway - Watsonville, CA Taco Bravo Round # 5 360 Sprints - Winged, Midgets, Factory Stocks, Hobby Stocks, Dwarf | Results | | Shawn Arriaga (Midgets) | DNS | - | - | 2nd |
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| 4/24/2021 | Antioch Speedway - Antioch, CA Wingless Sprints, Dwarf Cars, Hobby Stocks, Super Stocks Hobby Stocks, Stock Cars, Non-Winged Sprints, Dwarf | Results | | Shawn Arriaga (Non-Winged Sprints) | 1st | - | - | 2nd |
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| 5/8/2021 | Antioch Speedway - Antioch, CA Mother's Day: Mini Vans, Wingless Sprint Cars, IMCA Stock Cars, Dwarf Cars Non-Winged Sprints, Dwarf, Generic 1, IMCA Stock Car | Results | | Shawn Arriaga (Non-Winged Sprints) | 1st | - | - | 2nd |
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| 5/14/2021 | Ocean Speedway - Watsonville, CA Modified Madness # 2 Midgets, Factory Stocks, Hobby Stocks, A Modifieds, B Modifieds | Results | | Shawn Arriaga (Midgets) | 3rd | - | - | 12th |
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| 5/15/2021 | Merced Speedway - Merced, CA Race #9 Hobby Stocks, 360 Sprints - Non-Winged, Mini Wedge, Pony Stock, IMCA Stock Car | Results | | Shawn Arriaga (360 Sprints - Non-Winged) | 2nd | - | - | 6th |
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| 5/29/2021 | Petaluma Speedway - Petaluma, CA Weekly Racing A Modifieds, Stock Non-Wing, Non-Winged Sprints, Pure Stock | Results | | Shawn Arriaga (Non-Winged Sprints) | 2nd | - | - | 3rd |
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| 6/5/2021 | Antioch Speedway - Antioch, CA Wingless Sprints, Dwarf Cars, Hobby Stocks, Mini Stocks Factory Stocks, Hobby Stocks, Non-Winged Sprints, Dwarf, Generic 1 | Results | | Shawn Arriaga (Non-Winged Sprints) | 1st | - | - | 6th |
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| 6/11/2021 | Ocean Speedway - Watsonville, CA Pombo/Sargent - King of the West 410 Sprints - Winged, Midgets, A Modifieds, B Modifieds | Results | | Shawn Arriaga (Midgets) | 1st | - | - | 7th |
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| 6/12/2021 | Petaluma Speedway - Petaluma, CA National #4 night 2 Dwarf: Western States Dwarf Car Association Non-Winged Sprints, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Shawn Arriaga (Non-Winged Sprints) | 2nd | - | - | 3rd |
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| 7/16/2021 | Ocean Speedway - Watsonville, CA 11th Annual Kaeding Classic Night # 1 360 Sprints - Winged, Midgets, Hobby Stocks, B Modifieds | Results | | Shawn Arriaga (Midgets) | 1st | - | - | 2nd |
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| 7/17/2021 | Placerville Speedway - Placerville, CA Points Race #12 | 360 Sprints - Non-Winged: Joe Hunt Magneto Series 360 Sprints - Winged, Dirt Mini Trucks, Pure Stock | Results | | Shawn Arriaga (360 Sprints - Non-Winged) | 3rd | - | - | 5th |
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| 7/24/2021 | Merced Speedway - Merced, CA Race #17 Hobby Stocks, 360 Sprints - Non-Winged, Vintage Modifieds, Pony Stock, IMCA Stock Car | Results | | Shawn Arriaga (360 Sprints - Non-Winged) | 1st | - | - | 4th |
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| 7/31/2021 | Petaluma Speedway - Petaluma, CA USAC Midgets, Stock Non-Wing, 360 Sprints - Non-Winged | Results | | Shawn Arriaga (Midgets) | 1st | - | - | 1st |
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| 8/14/2021 | Placerville Speedway - Placerville, CA Points Race #15 | Legends Night 360 Sprints - Non-Winged: Joe Hunt Magneto Series 360 Sprints - Winged, Dirt Mini Trucks, Pure Stock | Results | | Shawn Arriaga (360 Sprints - Non-Winged) | 2nd | - | - | 11th |
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| 8/21/2021 | Petaluma Speedway - Petaluma, CA Soares Classic A Modifieds, Stock Non-Wing, Non-Winged Sprints | Results | | Shawn Arriaga (Non-Winged Sprints) | 1st | - | - | 8th |
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| 9/25/2021 | Antioch Speedway - Antioch, CA BCRA Midgets, Lightning Sprints, 600 Micro Sprints Non-Wing, Wingless Sprints Midgets: BCRA - Bay Cities Racing Association Lightning Sprints: Bay Cities Racing Association Lightning Sprints Champ 360 Sprints - Winged, Sportsman Sprints, Non-Winged Sprints, 1200cc Outlaws Winged Minis, Generic 2 | Results | | Shawn Arriaga (Sportsman Sprints) | 4th | - | - | - | | Shawn Arriaga (Non-Winged Sprints) | 1st | - | - | - |
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| 10/2/2021 | Petaluma Speedway - Petaluma, CA Adobe Cup II Dwarf Twin 25’s Stock Non-Wing, Non-Winged Sprints, Dwarf | Results | | Shawn Arriaga (Non-Winged Sprints) | 2nd | - | - | 4th |
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| 10/9/2021 | Antioch Speedway - Antioch, CA Donna Soares/Larry Damitz/Chet Thompson Memorial Hobby Stocks, Stock Cars, Non-Winged Sprints, Vintage Full Body Stock Cars | Results | | Shawn Arriaga (Non-Winged Sprints) | 1st | - | - | 3rd |
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| 11/26/2021 | Antioch Speedway - Antioch, CA Wingless Sprint Cars, Winged 360 Sprints, Hobby Stocks, Mini Stocks 360 Sprints - Winged, Factory Stocks, Hobby Stocks, Non-Winged Sprints | Results | | Shawn Arriaga (Non-Winged Sprints) | 1st | - | - | 2nd |
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