| | Heat | Dash | B Feature | A Feature |
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| 4/24/2021 | Beaver Dam Raceway - Beaver Dam, WI 410 Sprints - Winged: IRA Interstate Racing Association Semi-Pro Legends | Results | | Scott Biertzer (410 Sprints - Winged) | 5th | - | - | 23rd (DNF) |
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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 | | Scott Biertzer (410 Sprints - Winged) | 1st | 5th | - | 21st |
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| 5/8/2021 | Cedar Lake Speedway - New Richmond, WI Spring Sprint Special 410 Sprints - Winged: IRA Interstate Racing Association Limited Sprints - Winged: Upper Midwest Sprint Car Series 360 Sprints - Non-Winged: UMSS - Traditional Sprint Car Series Winged A-Class, 305 Sprints - Non-Winged | Results | | Scott Biertzer (410 Sprints - Winged) | 7th | - | 4th | 24th |
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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 | | Scott Biertzer (410 Sprints - Winged) | 6th | - | - | 17th (DNF) |
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| 5/22/2021 | Beaver Dam Raceway - Beaver Dam, WI 410 Sprints - Winged: IRA Interstate Racing Association Semi-Pro Legends | Results | | Scott Biertzer (410 Sprints - Winged) | 2nd | 4th | - | 11th |
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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 | | Scott Biertzer (410 Sprints - Winged) | 3rd | - | - | 22nd |
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