| 5/1/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints Wilmot Modifieds | | Results |
| 5/7/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints MSA Sprints: MSA Sprint Car Association Wisconsin Dirt Legends | | Results |
| 5/8/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints Wilmot Modifieds, Wilmot Street Stocks, Wilmot Bandit 4 Cylinders | | Results |
| 5/15/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints | | Results |
| 5/16/2021 | Rain Date for this event is May 23rd Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints Wilmot Modifieds, Wilmot Street Stocks | | Results |
| 5/22/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Wilmot Modifieds, Wilmot Street Stocks, Wilmot Bandit 4 Cylinders | | Results |
| 5/29/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Wilmot Modifieds, Wilmot Street Stocks, Wilmot Bandit 4 Cylinders | | Results |
| 5/30/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints | | Results |
Watch on FloRacing06/04/21 6:00 PM CST Click the icon to go to broadcast | 6/4/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints | | Results |
| 6/12/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints Wilmot Modifieds | | Results |
| 6/13/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association Wisconsin Dirt Legends | | Results |
| 6/18/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Wilmot Modifieds, Wilmot Street Stocks, Wilmot Bandit 4 Cylinders | | Results |
| 6/26/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Wilmot Modifieds, Wilmot Street Stocks, MSA Sprints | | Rain Out |
| 6/29/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Wilmot Modifieds, Wilmot Bandit 4 Cylinders | | Results |
| 7/3/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association Wisconsin Dirt Legends | | Results |
| 7/4/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | | Results |
| 7/10/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints | | Results |
| 7/16/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | | Results |
| 7/17/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints Wilmot Modifieds, Wilmot Street Stocks | | Results |
| 7/18/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association Wisconsin Dirt Legends | | Results |
| 7/24/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Wilmot Modifieds, Wilmot Street Stocks, Wilmot Bandit 4 Cylinders | | Results |
| 7/31/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints Wilmot Modifieds, Wilmot Bandit 4 Cylinders | | Results |
| 8/1/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association MSA Sprints | | Results |
| 8/7/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints Wilmot Modifieds | | Results |
| 8/21/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints | | Results |
| 8/28/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association Wilmot Modifieds, Wilmot Street Stocks | | Canceled |
| 9/4/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints Wilmot Modifieds, Wilmot Street Stocks, Wilmot Bandit 4 Cylinders | | Results |
| 9/5/2021 | Rain Date for this event is September 6th Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Badger Midgets: Badger Midget Auto Racing Association | | Results |
| 9/11/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints Wilmot Modifieds, Wilmot Street Stocks, Wilmot Bandit 4 Cylinders | | Results |
| 9/18/2021 | Non-points Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints Wilmot Bandit 4 Cylinders | | Results |
| 9/24/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints MSA Sprints | | Rain Out |
| 9/25/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints IRA Lightning Sprints: IRA Lightning Sprints MSA Sprints: MSA Sprint Car Association | | Results |
| 10/1/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints MSA Sprints, Wisconsin Dirt Legends | | Results |
| 10/2/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints MSA Sprints, Wisconsin Dirt Legends | | Results |
| 10/22/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints | | Results |
| 10/23/2021 | Wisconsin WingLESS Sprints Presented by the IRA: Wisconsin wingLESS Sprints | | Results |