| 4/24/2020 | 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Canceled |
| 5/1/2020 | 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Canceled |
| 5/8/2020 | 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Canceled |
| 5/15/2020 | 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Canceled |
| 5/22/2020 | 410 Sprints - Winged, Lightning Sprints, Pure Stocks, Western Renegade Wingless Sprints, Mini Mods | | Details |
| 5/29/2020 | Lightning Sprints: POWRi Minn-Kota Lightning Sprints B Modifieds, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 6/5/2020 | B Modifieds, 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 6/12/2020 | B Modifieds, 410 Sprints - Winged, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Late Model | | Results |
| 6/19/2020 | Lightning Sprints: POWRi Minn-Kota Lightning Sprints B Modifieds, 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 6/21/2020 | WISSOTA Late Model, WISSOTA Midwest Mods | | Canceled |
| 6/26/2020 | B Modifieds, 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 7/3/2020 | B Modifieds, 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 7/10/2020 | B Modifieds, 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 7/17/2020 | Dirt Super Late Models: World of Outlaws - Late Models 410 Sprints - Winged, WISSOTA Street Stock, WISSOTA Late Model | | Results |
| 7/24/2020 | B Modifieds, 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 7/31/2020 | Lightning Sprints: POWRi Minn-Kota Lightning Sprints Midgets: POWRi B Modifieds, Western Renegade Wingless Sprints, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 8/7/2020 | B Modifieds, 410 Sprints - Winged, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 8/14/2020 | Lightning Sprints: POWRi Minn-Kota Lightning Sprints Midgets: POWRi 410 Sprints - Winged, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock | | Rain Out |
| 8/21/2020 | 410 Sprints - Winged: World of Outlaws B Modifieds, WISSOTA Late Model | | Results |
| 8/28/2020 | B Modifieds, 410 Sprints - Winged, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Late Model | | Results |
| 9/4/2020 | B Modifieds, 410 Sprints - Winged, Western Renegade Wingless Sprints, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 9/10/2020 | Dirt Late Models, B Modifieds, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock | | Results |
| 9/11/2020 | Dirt Late Models, B Modifieds, 410 Sprints - Winged, WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Street Stock, WISSOTA Modifieds | | Results |
| 9/12/2020 | WISSOTA Late Model, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Street Stock | | Results |
| 9/18/2020 | Lightning Sprints: POWRi Minn-Kota Lightning Sprints 410 Sprints - Winged, IMCA Northern Sports Mod, IMCA Hobby Stocks, IMCA Stock Car, 360 Sprints - Non-Winged | | Results |