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| 5/1/2020 | Mississippi Thunder Speedway - Fountain City, WI Weekly Racing Dirt Late Models, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 2nd | - | - | 9th |
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| 5/15/2020 | Mississippi Thunder Speedway - Fountain City, WI Weekly Racing Dirt Late Models, Hornets, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 5th | - | 2nd | 19th |
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| 5/22/2020 | Mississippi Thunder Speedway - Fountain City, WI USMTS Spring Shootout and Rumble by the River 40 Presented by Coca-Cola A Modifieds: USMTS - United States Modified Touring Series Dirt Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 3rd | - | - | 23rd (DNF) |
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| 5/29/2020 | Mississippi Thunder Speedway - Fountain City, WI Military Night Hornets, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks, WISSOTA Super Stock | Results | | Nathan Butterfield (USRA B-Mods) | 1st | - | - | 11th |
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| 6/5/2020 | Mississippi Thunder Speedway - Fountain City, WI Leighton Broadcasting/Bud Night Hornets, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 5th | - | - | 9th |
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| 6/12/2020 | Mississippi Thunder Speedway - Fountain City, WI Beahman Law Redneck 100 Challenge Hornets, USRA B-Mods, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 5th | - | - | 18th (DNF) |
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| 6/19/2020 | Mississippi Thunder Speedway - Fountain City, WI Weekly Racing Action Hornets, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 1st | - | - | 8th |
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| 6/26/2020 | Mississippi Thunder Speedway - Fountain City, WI Weekly Racing Hornets, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 1st | - | - | 2nd |
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| 7/2/2020 | Mississippi Thunder Speedway - Fountain City, WI Dirt Late Models, USRA B-Mods, USRA Modifieds | Results | | Nathan Butterfield (USRA B-Mods) | 5th | - | - | 11th |
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| 7/3/2020 | Mississippi Thunder Speedway - Fountain City, WI Rivercity Rumble - Firecracker 40 presented by Rivercity MFG Dirt Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 4th | - | - | 11th |
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| 7/10/2020 | Mississippi Thunder Speedway - Fountain City, WI Weekly Racing Hornets, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 1st | - | - | 5th |
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| 7/17/2020 | Mississippi Thunder Speedway - Fountain City, WI Karl Fenske Memorial USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 7th | - | - | 9th |
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| 7/24/2020 | Mississippi Thunder Speedway - Fountain City, WI Severson Oil Night Hornets, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 3rd | - | - | 11th |
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| 7/31/2020 | Mississippi Thunder Speedway - Fountain City, WI K-Town Klash Casey Knutson Memorial USRA B-Mods, USRA Modifieds, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 6th | - | 7th | - |
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| 8/1/2020 | Cedar Lake Speedway - New Richmond, WI NASCAR Dash Race #12 A Modifieds, Midwest Modifieds, Super Stocks, USRA Late Models | Results | | Nathan Butterfield (Midwest Modifieds) | 5th | - | 5th | - |
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| 8/14/2020 | Mississippi Thunder Speedway - Fountain City, WI USRA Late Model Special presented by RJ'S Fast Tracks & Two Brother's Auto Hornets, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 6th | - | - | 10th |
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| 8/21/2020 | Mississippi Thunder Speedway - Fountain City, WI Dairyland Showdown Presented by Hurco/Stone Machinery Dirt Late Models, USRA B-Mods, USRA Modifieds, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 4th | - | - | 8th |
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| 8/28/2020 | Mississippi Thunder Speedway - Fountain City, WI 12th Annual Season Championship Night Dirt Late Models, Hornets, USRA B-Mods, USRA Modifieds, USRA Late Models, USRA Hobby Stocks | Results | | Nathan Butterfield (USRA B-Mods) | 3rd | - | - | 12th |
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| 9/10/2020 | Mississippi Thunder Speedway - Fountain City, WI 9th Annual Modified Nationals Presented by Dahl Chevy/GMC USRA B-Mods, USRA Modifieds, IMCA Modified | Results | | Nathan Butterfield (USRA B-Mods) | 4th | - | - | 24th (DNF) |
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| 9/11/2020 | Mississippi Thunder Speedway - Fountain City, WI 9th Annual Modified Nationals Presented by Dahl Chevy/GMC USRA B-Mods, USRA Modifieds, IMCA Modified | Results | | Nathan Butterfield (USRA B-Mods) | 3rd | - | 2nd | 27th |
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| 9/12/2020 | Mississippi Thunder Speedway - Fountain City, WI 9th Annual Modified Nationals Presented by Dahl Chevy/GMC USRA B-Mods, USRA Modifieds, IMCA Modified | Results | | Nathan Butterfield (USRA B-Mods) | 6th | - | 1st | 18th |
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