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| 6/20/2020 | Silver Bullet Speedway - Owendale, MI GLTS Season Opener 410 Sprints - Non-Winged: Great Lakes Traditional Sprints Asphalt Mini Stocks, Hobby Stocks, Stock Cars, Sportsmans, Mini Wedge | Results | | Mark Irwin (410 Sprints - Non-Winged) | 5th | - | - | 7th |
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| 7/24/2020 | I-96 Speedway - Lake Odessa, MI Great Lakes Super Sprints 360 Sprints - Winged: GLSS-Great Lakes Super Sprints 410 Sprints - Non-Winged: Great Lakes Traditional Sprints B Modifieds, Street Stocks, Hornets, Mini Wedge, Mini Outlaws | Results | | Mark Irwin (410 Sprints - Non-Winged) | 5th | - | - | 8th |
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| 7/25/2020 | Silver Bullet Speedway - Owendale, MI Battle at the Bullet 410 Sprints - Non-Winged: Great Lakes Traditional Sprints Asphalt Mini Stocks, Hobby Stocks, Stock Cars, B Modifieds, Mini Wedge | Results | | Mark Irwin (410 Sprints - Non-Winged) | 4th | - | - | 6th |
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| 8/7/2020 | Tri-City Motor Speedway - Auburn, MI Open Wheel Night 360 Sprints - Winged: GLSS-Great Lakes Super Sprints 410 Sprints - Non-Winged: Great Lakes Traditional Sprints Lightning Sprints: Great Lakes Lightning Sprints A Modifieds | Results | | Mark Irwin (410 Sprints - Non-Winged) | 4th | - | - | 12th |
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| 8/29/2020 | Silver Bullet Speedway - Owendale, MI Wingless Night 410 Sprints - Non-Winged: Great Lakes Traditional Sprints Asphalt Mini Stocks, Hobby Stocks, Stock Cars, B Modifieds, Mini Wedge | Results | | Mark Irwin (410 Sprints - Non-Winged) | DNS | - | - | 15th |
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| 9/5/2020 | Crystal Motor Speedway - Crystal, MI Labor Day Lightning Strike 410 Sprints - Non-Winged: Great Lakes Traditional Sprints Lightning Sprints: Great Lakes Lightning Sprints Hobby Stocks, A Modifieds, Street Stocks, Junior 1 Lites Dirt Karts, Dirt Pro Trucks, Mini Wedge, Sport Compact | Results | | Mark Irwin (410 Sprints - Non-Winged) | 1st | - | - | 2nd |
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| 9/25/2020 | I-96 Speedway - Lake Odessa, MI End Of Year Show - Day 1 410 Sprints - Non-Winged: Great Lakes Traditional Sprints with BOSS Buckeye Outlaw Sprint Series DIRTcar Late Models, B Modifieds, Mini Wedge, Mini Outlaws | Results | | Mark Irwin (410 Sprints - Non-Winged) | 10th | - | 14th | - |
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