| | Heat | Dash | B Feature | A Feature |
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| 7/9/2020 | Skagit Speedway - Burlington, WA THURSDAY NIGHT THUNDER - Sportsman Sprint Showdown (PPV) Sportsman Sprints, Economy Midgets, Hornets | Results | | Gunnar Martin (Sportsman Sprints) | 7th | - | 5th | - |
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| 7/30/2020 | Skagit Speedway - Burlington, WA 360 Sprints - Winged, Sportsman Sprints, Economy Midgets | Results | | Gunnar Martin (Sportsman Sprints) | 5th | - | - | 11th |
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| 8/13/2020 | Skagit Speedway - Burlington, WA THURSDAY NIGHT THUNDER (PPV) (SPORTSMAN - MIDGETS - TUNERS) Sportsman Sprints, Economy Midgets, Hornets | Results | | Gunnar Martin (Sportsman Sprints) | 6th | - | - | 15th |
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| 8/27/2020 | Skagit Speedway - Burlington, WA THURSDAY NIGHT THUNDER (PPV) Sportsman - Midgets - Tuners Sportsman Sprints, Economy Midgets, Hornets | Results | | Gunnar Martin (Sportsman Sprints) | DNS | - | - | DNS |
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| 9/10/2020 | Skagit Speedway - Burlington, WA THURSDAY NIGHT THUNDER CHAMPIONSHIP NIGHT (PPV) (SPORTSMAN - MIDGETS - TUNERS) Sportsman Sprints, Economy Midgets, Hornets | Results | | Gunnar Martin (Sportsman Sprints) | 6th | - | - | 13th |
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