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| 2/5/2021 | Hendry County Motorsports Park - Clewiston, FL USCS Snow Free Sprint Car Car Winter Nationals Round #1 360 Sprints - Winged: USCS United Sprint Car Series Hobby Stocks | Results | | Mark Ruel Jr (360 Sprints - Winged) | 3rd | - | - | 17th |
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| 2/6/2021 | Hendry County Motorsports Park - Clewiston, FL USCS Snow Free Sprint Car Car Winter Nationals Round #2 360 Sprints - Winged: USCS United Sprint Car Series Hobby Stocks | Results | | Mark Ruel Jr (360 Sprints - Winged) | 6th | - | - | 9th |
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| 3/19/2021 | Deep South Speedway - Loxley, AL USCS Gulf Coast Shootout Nite #1 Winter Heat Series Round #11 360 Sprints - Winged: USCS United Sprint Car Series | Results | | Mark Ruel Jr (360 Sprints - Winged) | 4th | - | - | 19th (DNF) |
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| 3/20/2021 | Deep South Speedway - Loxley, AL USCS Gulf Coast Shootout Nite #1 Winter Heat Series Finale 360 Sprints - Winged: USCS United Sprint Car Series | Results | | Mark Ruel Jr (360 Sprints - Winged) | 1st | - | - | 6th |
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| 4/9/2021 | Carolina Speedway - Gastonia, NC 360 Sprints - Winged: USCS United Sprint Car Series CRUSA Thunder Bombers | Results | | Mark Ruel Jr (360 Sprints - Winged) | 3rd | 2nd | - | 10th |
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| 5/14/2021 | Southern Raceway - Milton, FL USCS Salute to Armed Forces Weekend Round #1 360 Sprints - Winged: USCS United Sprint Car Series Stock Cars, Winged A-Class, B Modifieds, Non Wing Crate Sprints, CRUSA Street Stocks, IMCA Stock Car | Results | | Mark Ruel Jr (360 Sprints - Winged) | 3rd | - | - | 12th |
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| 5/15/2021 | Southern Raceway - Milton, FL USCS Salute to Armed Forces Weekend Round #2 360 Sprints - Winged: USCS United Sprint Car Series Sportsmans, Winged A-Class, Vintage Full Body Stock Cars, Hornets, CRUSA Street Stocks, Pure Stock | Results | | Mark Ruel Jr (360 Sprints - Winged) | 2nd | - | - | 2nd |
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| 7/9/2021 | Travelers Rest Speedway - Travelers Rest, SC 360 Sprints - Winged: USCS United Sprint Car Series | Results | | Mark Ruel Jr (360 Sprints - Winged) | 1st | 3rd | - | 2nd |
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| 7/10/2021 | Dixie Speedway - Woodstock, GA USCS Randy Helton Memorial Dixie Sprint Car Nationals 360 Sprints - Winged: USCS United Sprint Car Series | Results | | Mark Ruel Jr (360 Sprints - Winged) | 8th (DNF) | 2nd | - | DNS |
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| 7/30/2021 | Deep South Speedway - Loxley, AL 360 Sprints - Winged: USCS United Sprint Car Series | Results | | Mark Ruel Jr (360 Sprints - Winged) | 2nd | - | - | 3rd |
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| 7/31/2021 | Deep South Speedway - Loxley, AL 360 Sprints - Winged: USCS United Sprint Car Series | Results | | Mark Ruel Jr (360 Sprints - Winged) | 3rd | - | - | 6th |
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| 8/13/2021 | Senoia Raceway - Senoia, GA USCS Sprints Night 1 360 Sprints - Winged: USCS United Sprint Car Series Winged A-Class: USCS Mini Sprints Hobby Stocks, Street Stocks, Dirt Limited Late Models | Results | | Mark Ruel Jr (360 Sprints - Winged) | 1st | 1st | - | 1st |
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| 8/14/2021 | Senoia Raceway - Senoia, GA USCS Sprints Night 2 360 Sprints - Winged: USCS United Sprint Car Series Sportsmans, Winged A-Class, Street Stocks, Dirt Late Models, Pony Stock, Dirt Crate Late Models, Asphalt Bombers | Results | | Mark Ruel Jr (360 Sprints - Winged) | 2nd | 5th | - | 1st |
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| 9/10/2021 | Travelers Rest Speedway - Travelers Rest, SC USCS Thunder in the Foothills 360 Sprints - Winged: USCS United Sprint Car Series | Results | | Mark Ruel Jr (360 Sprints - Winged) | 1st | 1st | - | 1st |
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| 9/11/2021 | Cherokee Speedway - Gaffney, SC 360 Sprints - Winged: USCS United Sprint Car Series | Results | | Mark Ruel Jr (360 Sprints - Winged) | 3rd | - | - | 7th |
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| 11/6/2021 | Hendry County Motorsports Park - Clewiston, FL 360 Sprints - Winged: USCS United Sprint Car Series Stock Non-Wing, Street Stocks, 1200cc Outlaws Non-Winged Minis, Sport Compact, Pure Stock, Crown Vic, IMCA Mod Lite | Results | | Mark Ruel Jr (360 Sprints - Winged) | 1st | 1st | - | 1st |
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