| | Heat | Dash | B Feature | A Feature |
|---|
|
|---|
| 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 | | Mark Heinert (Lightning Sprints) | 4th | - | - | 2nd |
|
| 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 | | Mark Heinert (Lightning Sprints) | 5th | - | - | 1st |
|
| 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 | | Mark Heinert (Lightning Sprints) | 2nd | - | - | 10th |
|
| 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 | | Mark Heinert (Lightning Sprints) | 1st | - | - | 3rd |
|
| 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 | | Mark Heinert (Lightning Sprints) | 2nd | - | - | 2nd |
|
| 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 | | Mark Heinert (Lightning Sprints) | 2nd | - | - | 5th |
|
| 6/19/2021 | Beaver Dam Raceway - Beaver Dam, WI 410 Sprints - Winged: World of Outlaws Lightning Sprints: IRA Lightning Sprints Semi-Pro Legends | Results | | Mark Heinert (Lightning Sprints) | 3rd | - | - | 4th |
|
| 7/3/2021 | Sycamore Speedway - Sycamore, IL Lightning Sprints: IRA Lightning Sprints | Results | | Mark Heinert (Lightning Sprints) | 1st | - | - | 3rd |
|
| 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 | | Mark Heinert (Lightning Sprints) | 1st | - | - | 1st |
|
| 7/17/2021 | Wilmot Raceway - Wilmot, WI Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Street Stocks | Results | | Mark Heinert (Lightning Sprints) | 3rd | - | - | 1st |
|
| 7/31/2021 | Wilmot Raceway - Wilmot, WI Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds, Hornets | Results | | Mark Heinert (Lightning Sprints) | 9th (DNF) | - | - | DNS |
|
| 8/7/2021 | Wilmot Raceway - Wilmot, WI Founders Night 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints A Modifieds | Results | | Mark Heinert (Lightning Sprints) | 5th | - | - | 5th |
|
| 8/21/2021 | Wilmot Raceway - Wilmot, WI Kenosha County Fair/Roger Iles Tribute 410 Sprints - Winged: IRA Interstate Racing Association Lightning Sprints: IRA Lightning Sprints Non Wing Crate Sprints: Wisconsin wingLESS Sprints | Results | | Mark Heinert (Lightning Sprints) | 3rd | - | - | 15th |
|
| 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 | | Mark Heinert (Lightning Sprints) | 4th | - | - | 3rd |
|
| 9/11/2021 | Sycamore Speedway - Sycamore, IL Lightning Sprints: IRA Lightning Sprints | Results | | Mark Heinert (Lightning Sprints) | 1st | - | - | 4th |
|
| 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 | | Mark Heinert (Lightning Sprints) | 1st | - | - | 2nd |
|