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| 5/14/2021 | River Cities Speedway - Grand Forks, ND AFCO Race of Champions B Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 1st | - | - | 5th |
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| 5/29/2021 | Greenbush Race Park - Greenbush, MN Sport Compact, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Rain Out |
| 6/19/2021 | Greenbush Race Park - Greenbush, MN Economy Late Models, Sport Compact, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 5th | - | - | 2nd |
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| 6/26/2021 | Greenbush Race Park - Greenbush, MN MWM Special WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Rain Out |
| 7/3/2021 | Greenbush Race Park - Greenbush, MN Steffes Street Stock Special Midgets: POWRi Lightning Sprints: POWRi Minn-Kota Lightning Sprints WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 4th | - | - | 4th |
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| 7/10/2021 | Greenbush Race Park - Greenbush, MN Pure Stock Special/Military Night Midgets: POWRi Lightning Sprints: POWRi Minn-Kota Lightning Sprints WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 8th | - | - | 8th (DNF) |
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| 7/17/2021 | Greenbush Race Park - Greenbush, MN Race of Champs Sport Compact, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 2nd | - | - | 1st |
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| 7/22/2021 | Norman County Raceway - Ada, MN Advantage RV Mod Tour IMCA Northern SportMod, IMCA Stock Car, WISSOTA Midwest Mods, WISSOTA Modifieds | Results | | Aaron Holtan (WISSOTA Modifieds) | 5th | - | - | 22nd (DNF) |
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| 7/23/2021 | River Cities Speedway - Grand Forks, ND Big Motor Mania & Hall of Fame Night 410 Sprints - Winged: Northern Outlaw Sprint Association B Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model | Results | | Aaron Holtan (WISSOTA Modifieds) | 4th | - | - | 14th |
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| 7/24/2021 | Greenbush Race Park - Greenbush, MN Rebel MWM Tour and RV Mod Tour WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 5th | - | - | 11th |
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| 7/31/2021 | Greenbush Race Park - Greenbush, MN Race of Champ Rain Out Date Midgets: POWRi Lightning Sprints: POWRi Minn-Kota Lightning Sprints Sport Compact, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 7th | - | - | 3rd |
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| 8/7/2021 | Greenbush Race Park - Greenbush, MN NLRA Special 600cc Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 1st | - | - | 3rd |
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| 8/14/2021 | Greenbush Race Park - Greenbush, MN POWRI Minn-Kota LS Special Midgets: POWRi Lightning Sprints: POWRi Minn-Kota Lightning Sprints WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 2nd | - | - | 3rd |
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| 8/21/2021 | Greenbush Race Park - Greenbush, MN Sport Compact, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 2nd | - | - | 2nd |
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| 9/4/2021 | Greenbush Race Park - Greenbush, MN Season Finale Day 1 Midgets: POWRi Lightning Sprints: POWRi Minn-Kota Lightning Sprints 360 Sprints - Non-Winged, 600cc Modifieds, Sport Compact, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 2nd | - | - | 4th |
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| 9/5/2021 | Greenbush Race Park - Greenbush, MN Season Finale Day 2 Midgets: POWRi Lightning Sprints: POWRi Minn-Kota Lightning Sprints 360 Sprints - Non-Winged, 600cc Modifieds, Sport Compact, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 2nd | - | - | 4th |
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| 9/10/2021 | River Cities Speedway - Grand Forks, ND John Seitz Memorial Night 1 & Wayne Anderson Cup Finale 410 Sprints - Winged: Northern Outlaw Sprint Association B Modifieds, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 6th | - | - | 11th |
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| 9/11/2021 | River Cities Speedway - Grand Forks, ND John Seitz Memorial Night 2 WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 6th | - | - | 8th |
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| 9/17/2021 | I-94 Speedway - Fergus Falls, MN WISSOTA 100 WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Aaron Holtan (WISSOTA Modifieds) | 8th | - | - | - |
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