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| 5/14/2021 | Gondik Law Speedway - Superior, WI Rescheduled 60th Season Opener WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | DNS | - | - | 6th |
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| 5/21/2021 | Gondik Law Speedway - Superior, WI Friday Night at the Races WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 2nd | - | - | 6th |
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| 5/29/2021 | ABC Raceway - Ashland, WI Ashland Ford Chrysler Weekend Deal presented by the Lakeshore Cafe & Zielies Tree Service A Modifieds, Dirt 6-cyl Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 1st | - | - | 3rd |
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| 6/4/2021 | Gondik Law Speedway - Superior, WI Friday Night at the Races WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 2nd | - | - | 4th |
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| 6/5/2021 | ABC Raceway - Ashland, WI Little Caesar's Pizza Meet the Driver's Night Dirt 6-cyl Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 2nd | - | - | 3rd |
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| 6/13/2021 | Proctor Speedway - Proctor, MN King on the Hill Modified Special WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 3rd | - | - | 3rd |
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| 6/18/2021 | Gondik Law Speedway - Superior, WI Meet The Drivers Night WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 2nd | - | - | 5th |
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| 6/25/2021 | Gondik Law Speedway - Superior, WI Limited Sprints - Winged: Upper Midwest Sprint Car Series Vintage Modifieds: Northern Vintage Stockcar Racers 360 Sprints - Non-Winged, 305 Sprints - Non-Winged, Vintage Full Body Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 2nd | - | - | 5th |
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| 7/3/2021 | Gondik Law Speedway - Superior, WI 5th Annual Great Lakes Border Battle-Night #2 WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 1st | - | - | 4th |
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| 7/11/2021 | Proctor Speedway - Proctor, MN Military Night presented by Halvor Lines Trucking WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 4th | - | - | 7th |
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| 7/20/2021 | Gondik Law Speedway - Superior, WI Fair Week-Night #1 WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 5th | - | - | 12th (DNF) |
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| 7/23/2021 | Gondik Law Speedway - Superior, WI Fair Week-Night #2 305 Sprints - Non-Winged, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 1st | - | - | 4th |
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| 7/31/2021 | Rice Lake Speedway - Rice Lake, WI Structural Buildings WISSOTA Late Model Challenge Series WISSOTA Late Model: Wissota Late Model Challenge Series WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock | Results | | Tom Treviranus (WISSOTA Pure Stock) | 2nd | - | - | 8th |
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| 8/13/2021 | Gondik Law Speedway - Superior, WI National Suicide Prevention Lifeline Night-Pure Stock Special Vintage Modifieds: Northern Vintage Stockcar Racers Vintage Full Body Stock Cars, WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 5th | - | - | 16th (DNF) |
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| 8/14/2021 | Rice Lake Speedway - Rice Lake, WI Kid's Night Bike Giveaway McCain Foods No Mystery $1,000 to Win Midwest Mod Feature WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Tom Treviranus (WISSOTA Pure Stock) | 4th | - | - | DNS |
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| 8/20/2021 | Gondik Law Speedway - Superior, WI Badger State Hornet Nationals/AFCO Race of Champions/Hall of Fame Night WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 10th (DNF) | - | - | 9th (DNF) |
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| 8/22/2021 | Proctor Speedway - Proctor, MN 70th Anniversary Season Championship WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 1st | - | - | - |
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| 9/4/2021 | Rice Lake Speedway - Rice Lake, WI Holiday Season Finale, $1000 to win Pure Stocks (Increased pay all classes) WISSOTA Midwest Mods, WISSOTA Modifieds, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock | Results | | Tom Treviranus (WISSOTA Pure Stock) | 6th | - | - | 13th |
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| 9/9/2021 | Gondik Law Speedway - Superior, WI Northern Nationals-Night #1 305 Sprints - Non-Winged, WISSOTA Midwest Mods, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 2nd | - | - | 7th |
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| 10/8/2021 | Ogilvie Raceway - Ogilvie, MN Fall Classic presented by FYE Motorsports A Modifieds, USRA Late Models, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 4th | - | - | - |
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| 10/9/2021 | Ogilvie Raceway - Ogilvie, MN Fall Classic presented by FYE Motorsports A Modifieds, USRA Late Models, WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | - | - | - | 13th (DNF) |
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| 10/15/2021 | Gondik Law Speedway - Superior, WI Inaugural Can-Am Clash-Night #1 Fueled by Superior Fuel WISSOTA Midwest Mods, WISSOTA Mod Four, WISSOTA Modifieds, WISSOTA Late Model, WISSOTA Pure Stock, WISSOTA Street Stock, WISSOTA Super Stock, WISSOTA Hornet | Results | | Tom Treviranus (WISSOTA Pure Stock) | 2nd | - | - | 7th |
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