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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 | | Connor Leoffler (360 Sprints - Winged) | 1st | - | - | 3rd |
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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 | | Connor Leoffler (360 Sprints - Winged) | 2nd | - | - | 4th |
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| 2/20/2021 | Southern Raceway - Milton, FL USCS Battle at the Beach Winter Nationals Round #1 360 Sprints - Winged: USCS United Sprint Car Series Midgets: POWRi Economy Midgets: POWRi Outlaw Midgets Stock Cars, Sportsmans, Winged A-Class, CRUSA Street Stocks, Pure Stock | Results | | Connor Leoffler (360 Sprints - Winged) | 2nd | - | - | 4th |
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| 2/21/2021 | Southern Raceway - Milton, FL Battle at the Beach (Night 2) 360 Sprints - Winged: USCS United Sprint Car Series Midgets, Economy Midgets, Winged A-Class, Vintage Full Body Stock Cars, Hornets, Junior Slingshots | Results | | Connor Leoffler (360 Sprints - Winged) | 6th | - | 5th | 10th |
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| 3/5/2021 | Super Bee Speedway - Chatham, LA 3rd Annual USCS Bayou State Sprint Car Nationals Nite #1 360 Sprints - Winged: USCS United Sprint Car Series CRUSA Modified Sportsman | Postponed |
| 3/6/2021 | Super Bee Speedway - Chatham, LA 3rd Annual USCS Bayou State Sprint Car Nationals Nite #2 360 Sprints - Winged: USCS United Sprint Car Series Dirt Crate Late Models, CRUSA Modified Sportsman | Results | | Connor Leoffler (360 Sprints - Winged) | 3rd | - | - | 3rd |
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| 3/12/2021 | Magnolia Motor Speedway - Columbus, MS 410 Sprints - Winged: World of Outlaws CRUSA Late Model Sportsman | Results | | Connor Leoffler (410 Sprints - Winged) | 7th | - | 5th | - |
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| 3/13/2021 | North Alabama Speedway - Tuscumbia, AL USCS Shoal Shootout Nite #2 Winter Heat Series Round #10 360 Sprints - Winged: USCS United Sprint Car Series | Results | | Connor Leoffler (360 Sprints - Winged) | 6th | - | - | 6th |
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| 3/27/2021 | Waynesfield Raceway Park - Waynesfield, OH FAST Series 410 Sprints - Winged: FASTonDIRT 410 Sprints - Non-Winged: BOSS Buckeye Outlaw Sprint Series | Results | | Connor Leoffler (410 Sprints - Winged) | 5th | - | - | 21st |
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| 4/9/2021 | Carolina Speedway - Gastonia, NC 360 Sprints - Winged: USCS United Sprint Car Series CRUSA Thunder Bombers | Results | | Connor Leoffler (360 Sprints - Winged) | 3rd | - | - | 6th |
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| 4/24/2021 | Port Royal Speedway - Port Royal, PA Port Royal Speedway 360 Sprints - Winged: United Racing Club 410 Sprints - Winged | Results | | Connor Leoffler (360 Sprints - Winged) | 6th | - | 1st | 14th |
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| 5/1/2021 | Selinsgrove Speedway - Selinsgrove, PA 360 Sprints - Winged: ASCS National with United Racing Club 410 Sprints - Winged | Results | | Connor Leoffler (360 Sprints - Winged) | 8th | - | 6th | - |
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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 | | Connor Leoffler (360 Sprints - Winged) | 2nd | - | - | 2nd |
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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 | | Connor Leoffler (360 Sprints - Winged) | 1st | DNS | - | 1st |
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| 6/25/2021 | Atomic Speedway - Chillicothe, OH 410 Sprints - Winged: OVSCA-Ohio Valley Sprint Car Association Dirt Super Late Models: Iron-Man Late Model Series | Results | | Connor Leoffler (410 Sprints - Winged) | - | - | - | 13th |
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| 7/3/2021 | Knoxville Raceway - Knoxville, IA 360 Sprints - Winged, 410 Sprints - Winged, 305 Sprints - Winged | Results | | Connor Leoffler (360 Sprints - Winged) | 1st | - | - | 13th |
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| 7/10/2021 | Port Royal Speedway - Port Royal, PA | Results | | Connor Leoffler (410 Sprints - Winged) | 4th | - | - | 17th |
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| 7/24/2021 | Portsmouth Raceway Park - Portsmouth, OH BOBBY MORGAN MEMORIAL - OVSCA Sprints & JACKIE BOGGS NIGHT FOR THE KIDS Sprint Cars, DIRTcar UMP Modifieds, Dirt Late Models, Limited Sport Mod | Results | | Connor Leoffler (Sprint Cars) | 8th | - | - | 7th |
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| 8/6/2021 | Knoxville Raceway - Knoxville, IA 31st Annual ASCS 360 Knoxville Nationals 360 Sprints - Winged: ASCS National 410 Sprints - Winged, Winged Sprints | Results | | Connor Leoffler (360 Sprints - Winged) | 3rd | - | - | 24th |
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| 8/7/2021 | Knoxville Raceway - Knoxville, IA 31st Annual ASCS 360 Knoxville Nationals 360 Sprints - Winged: ASCS National 410 Sprints - Winged, Winged Sprints | Results | | Connor Leoffler (360 Sprints - Winged) | - | - | - | - |
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| 8/21/2021 | Port Royal Speedway - Port Royal, PA 360 Sprints - Non-Winged: USAC East Coast Sprint Cars 410 Sprints - Winged | Results | | Connor Leoffler (410 Sprints - Winged) | 6th | - | - | - |
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| 9/3/2021 | I-75 Raceway - Sweetwater, TN 360 Sprints - Winged: USCS United Sprint Car Series Stock Cars, Winged A-Class, Economy Late Models, Asphalt 4-Cylinders, Asphalt Rookie Stocks, Pro Late Model | Results | | Connor Leoffler (360 Sprints - Winged) | 5th | - | - | 10th (DNF) |
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