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| 5/1/2021 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds | Results | | Mike Sullivan (Non Wing Crate Sprints) | 2nd | - | - | 7th |
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| 5/7/2021 | Beaver Dam Raceway - Beaver Dam, WI 360 Sprints - Winged: MSA Sprint Car Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints Semi-Pro Legends | Results | | Mike Sullivan (Non Wing Crate Sprints) | 5th | - | - | 15th |
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| 5/8/2021 | Wilmot Raceway - Wilmot, WI Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Hornets | Results | | Mike Sullivan (Non Wing Crate Sprints) | 6th | - | 1st | 16th |
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| 5/15/2021 | Dirt Oval at Route 66 - Joliet, IL $8,000 to win 410 Sprints - Winged: IRA Interstate Racing Association with All Star Circuit of Champions Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Mike Sullivan (Non Wing Crate Sprints) | 6th | - | - | 13th |
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| 5/16/2021 | Wilmot Raceway - Wilmot, WI Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Dirt Late Models | Results | | Mike Sullivan (Non Wing Crate Sprints) | 10th | - | 5th | - |
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| 5/22/2021 | Wilmot Raceway - Wilmot, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Hornets | Results | | Mike Sullivan (Non Wing Crate Sprints) | 6th | - | - | 14th |
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| 5/29/2021 | Wilmot Raceway - Wilmot, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Hornets | Results | | Mike Sullivan (Non Wing Crate Sprints) | 5th | - | - | 22nd |
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| 5/30/2021 | 141 Speedway - Maribel, WI Sunday Funday With the IRA Bumper to Bumper Sprint Cars 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Mike Sullivan (Non Wing Crate Sprints) | 6th | - | 3rd | 13th |
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| 6/4/2021 | Wilmot Raceway - Wilmot, WI $6,000 to win 410 Sprints - Winged: IRA Interstate Racing Association with All Star Circuit of Champions Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Mike Sullivan (Non Wing Crate Sprints) | 6th | - | - | - |
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| 6/12/2021 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds | Results | | Mike Sullivan (Non Wing Crate Sprints) | 7th | - | 2nd | 11th |
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| 6/13/2021 | Angell Park Speedway - Sun Prairie, WI Kevin Doty Classic Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association Semi-Pro Legends | Results | | Mike Sullivan (Non Wing Crate Sprints) | 6th | - | 3rd | 16th |
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| 6/18/2021 | Wilmot Raceway - Wilmot, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Hornets | Results | | Mike Sullivan (Non Wing Crate Sprints) | 8th | - | 12th | - |
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| 6/29/2021 | Wilmot Raceway - Wilmot, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Hornets | Results | | Mike Sullivan (Non Wing Crate Sprints) | 2nd | - | - | 1st |
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| 7/3/2021 | Beaver Dam Raceway - Beaver Dam, WI Recheck Excavating Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association Semi-Pro Legends, Masters Legends | Results | | Mike Sullivan (Non Wing Crate Sprints) | 3rd | - | - | 9th |
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| 7/4/2021 | Angell Park Speedway - Sun Prairie, WI Pepsi Nationals Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | Results | | Mike Sullivan (Non Wing Crate Sprints) | 4th | - | - | 18th |
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| 7/10/2021 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: World of Outlaws Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Mike Sullivan (Non Wing Crate Sprints) | 4th | - | - | - |
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| 7/16/2021 | Gravity Park Speedway - Chilton, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | Results | | Mike Sullivan (Non Wing Crate Sprints) | 6th | - | 10th | - |
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| 7/17/2021 | Wilmot Raceway - Wilmot, WI Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks | Results | | Mike Sullivan (Non Wing Crate Sprints) | 10th | - | - | - |
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| 7/31/2021 | Wilmot Raceway - Wilmot, WI Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Hornets | Results | | Mike Sullivan (Non Wing Crate Sprints) | 7th | - | - | - |
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| 9/4/2021 | Wilmot Raceway - Wilmot, WI Wilmot Championship Night Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Hornets | Results | | Mike Sullivan (Non Wing Crate Sprints) | 6th | - | 3rd | 18th |
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| 9/11/2021 | Wilmot Raceway - Wilmot, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks, Dirt Late Models, Hornets | Results | | Mike Sullivan (Non Wing Crate Sprints) | 5th | - | 5th | - |
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| 9/18/2021 | Wilmot Raceway - Wilmot, WI 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints Hornets | Results | | Mike Sullivan (Non Wing Crate Sprints) | 3rd | - | - | 4th |
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| 9/24/2021 | Dodge County Fairgrounds - Beaver Dam, WI Checkered Classic/Rick Schmidt Memorial 410 Sprints - Winged: IRA Interstate Racing Association Non Wing Crate Sprints: Wisconsin wingLESS Sprints 360 Sprints - Winged | Rain Out |
| 9/25/2021 | Plymouth Dirt Track-Sheboygan Co Fair - Plymouth, WI WI Sprint Car Championships 360 Sprints - Winged: MSA Sprint Car Association 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Mike Sullivan (Non Wing Crate Sprints) | 9th | - | 1st | 15th |
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| 10/1/2021 | Beaver Dam Raceway - Beaver Dam, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints 360 Sprints - Winged, Semi-Pro Legends | Results | | Mike Sullivan (Non Wing Crate Sprints) | 4th | - | - | - |
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| 10/2/2021 | Beaver Dam Raceway - Beaver Dam, WI Non Wing Crate Sprints: Wisconsin wingLESS Sprints 360 Sprints - Winged, Semi-Pro Legends | Results | | Mike Sullivan (Non Wing Crate Sprints) | 4th | - | - | 8th |
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