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| 1/26/2019 | Canyon Speedway Park - Peoria, AZ Winter Challenge Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dwarf | Results | | Bo Partain (B Modifieds) | 1st | - | - | 6th |
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| 1/27/2019 | Canyon Speedway Park - Peoria, AZ Winter Challenge Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dwarf | Results | | Bo Partain (B Modifieds) | 1st | - | - | 3rd |
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| 2/8/2019 | Arizona Speedway - Queen Creek, AZ A Modifieds: IMCA Arizona Dirt Tour B Modifieds | Results | | Bo Partain (B Modifieds) | 2nd | - | - | 22nd (DNF) |
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| 2/10/2019 | Central Arizona Raceway - Casa Grande, AZ A Modifieds: IMCA Arizona Dirt Tour B Modifieds | Results | | Bo Partain (B Modifieds) | 11th (DNF) | - | 17th (DNF) | - |
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| 2/11/2019 | Central Arizona Raceway - Casa Grande, AZ A Modifieds: IMCA Arizona Dirt Tour B Modifieds | Results | | Bo Partain (B Modifieds) | 3rd | - | - | 25th |
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| 2/15/2019 | CS Raceway - Tucson, AZ Arizona Mod Tour Round 6 A Modifieds: IMCA Arizona Dirt Tour B Modifieds | Results | | Bo Partain (B Modifieds) | 2nd | - | - | 5th |
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| 2/22/2019 | Cocopah Speedway - Somerton, AZ Cactus Clash Night 1 Dwarf: Western States Dwarf Car Association Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Bo Partain (B Modifieds) | 2nd | - | - | 10th |
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| 2/23/2019 | Cocopah Speedway - Somerton, AZ Cactus Clash Night 2 Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sportsman Dwarf, Veteran Dwarf, Pro Dwarf | Results | | Bo Partain (B Modifieds) | 1st | - | - | 3rd |
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| 3/9/2019 | Central Arizona Raceway - Casa Grande, AZ All Star Showdown Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, 360 Sprints - Non-Winged, Dwarf, Pure Stock, Pro Dwarf | Results | | Bo Partain (B Modifieds) | 2nd | - | - | 14th |
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| 3/30/2019 | Central Arizona Raceway - Casa Grande, AZ Weekly Show Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Pure Stock | Results | | Bo Partain (B Modifieds) | 5th | - | - | 1st |
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| 4/13/2019 | Central Arizona Raceway - Casa Grande, AZ 360 Sprints - Winged: ASCS Southwest Region Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds | Results | | Bo Partain (B Modifieds) | - | - | - | - |
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| 4/27/2019 | Central Arizona Raceway - Casa Grande, AZ Weekly Show Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Pure Stock | Results | | Bo Partain (B Modifieds) | 3rd | - | - | 4th |
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| 5/4/2019 | Central Arizona Raceway - Casa Grande, AZ Rock N Roll Rumble Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, Dwarf, Pure Stock | Results | | Bo Partain (Pure Stock) | 1st | - | - | 20th |
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| 5/18/2019 | Central Arizona Raceway - Casa Grande, AZ Hank Arnold Memorial 360 Sprints - Non-Winged: USAC Southwest 410 Sprints - Winged, Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Pure Stock | Results | | Bo Partain (B Modifieds) | 3rd | - | - | 2nd | | Bo Partain (Pure Stock) | 1st | - | - | 1st |
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| 5/25/2019 | Arizona Speedway - Queen Creek, AZ 6th Annual John Morris Classic Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models | Results | | Bo Partain (Stock Cars) | 3rd | - | - | 16th (DNF) |
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| 5/26/2019 | Arizona Speedway - Queen Creek, AZ 6th Annual John Morris Classic Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Ladies - Pure Stocks, Ladies - Bombers | Results | | Bo Partain (B Modifieds) | 5th | - | - | 9th |
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| 6/8/2019 | Central Arizona Raceway - Casa Grande, AZ Ernie Mincy Tribute 410 Sprints - Winged, Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Dirt Late Models, Pure Stock | Results | | Bo Partain (B Modifieds) | 2nd | - | - | 8th |
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| 6/22/2019 | Central Arizona Raceway - Casa Grande, AZ 360 Sprints - Winged: ASCS Southwest Region Stock Cars, A Modifieds, B Modifieds, Pure Stock, Pro Dwarf | Results | | Bo Partain (B Modifieds) | 4th | - | - | 18th |
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| 7/6/2019 | CS Raceway - Tucson, AZ Non-Winged Sprints: San Tan Ford ASCS Desert Sprint Car Series A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Bo Partain (B Modifieds) | 1st | - | - | 9th (DNF) |
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| 7/13/2019 | Central Arizona Raceway - Casa Grande, AZ Summer Shootout Stock Cars, A Modifieds, Restricted 'A' Class, Winged A-Class, B Modifieds, Pure Stock | Results | | Bo Partain (B Modifieds) | 1st | - | - | 1st |
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| 7/20/2019 | CS Raceway - Tucson, AZ Hobby Stocks, A Modifieds, B Modifieds, Sport Compact | Results | | Bo Partain (B Modifieds) | 1st | - | - | 1st |
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| 8/17/2019 | CS Raceway - Tucson, AZ Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Sport Compact | Results | | Bo Partain (B Modifieds) | 3rd | - | - | 1st |
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| 8/30/2019 | Marshalltown Speedway - Marshalltown, IA Safelite Auto Glass Showdown at MoTown Hobby Stocks, A Modifieds, B Modifieds, Street Stocks, Dirt Pro Trucks | Results | | Bo Partain (B Modifieds) | 9th (DNF) | - | - | 9th |
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| 8/31/2019 | Boone Speedway - Boone, IA Wild Rose Casino and Resort Prelude to the Super Nationals Hobby Stocks, A Modifieds, B Modifieds, Street Stocks | Results | | Bo Partain (B Modifieds) | 2nd | - | 1st | 13th |
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| 9/2/2019 | Boone Speedway - Boone, IA IMCA Late Models: Deery Brothers Summer Series Hobby Stocks, B Modifieds | Results | | Bo Partain (B Modifieds) | 4th | - | - | - |
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| 9/3/2019 | Boone Speedway - Boone, IA 2019 IMCA Speedway Motors Super Nationals Fueled by Casey’s Hobby Stocks, B Modifieds, Vintage Modifieds, Generic 1, Sport Compact | Results | | Bo Partain (B Modifieds) | 1st | - | - | 2nd | | Bo Partain (Vintage Modifieds) | 1st | - | - | - |
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| 9/7/2019 | Boone Speedway - Boone, IA 2019 IMCA Speedway Motors Super Nationals Fueled by Casey’s Hobby Stocks, A Modifieds, Midwest Modifieds, B Modifieds, Street Stocks, Vintage Full Body Stock Cars, Vintage Modifieds, Generic 1 | Results | | Bo Partain (B Modifieds) | - | - | - | - | | Bo Partain (Vintage Modifieds) | - | - | - | - |
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| 9/13/2019 | Cocopah Speedway - Somerton, AZ CSRS Round 8- IMCA Championship Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds | Results | | Bo Partain (B Modifieds) | 1st | - | - | 11th (DNF) |
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| 9/21/2019 | Arizona Speedway - Queen Creek, AZ IMCA Championship Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, 600cc Modifieds | Results | | Bo Partain (B Modifieds) | 1st | - | - | 2nd |
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| 9/28/2019 | Canyon Speedway Park - Peoria, AZ IMCA Night of Champions Hobby Stocks, Stock Cars, A Modifieds, Winged A-Class, B Modifieds, Sport Compact | Results | | Bo Partain (B Modifieds) | 2nd | - | - | 2nd |
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| 10/12/2019 | Central Arizona Raceway - Casa Grande, AZ Non-Winged Sprints: San Tan Ford ASCS Desert Sprint Car Series Restricted 'A' Class, Winged A-Class, B Modifieds, Pure Stock | Results | | Bo Partain (B Modifieds) | 2nd | - | - | 1st |
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| 11/8/2019 | Cocopah Speedway - Somerton, AZ Wes Hurst Memorial Hobby Stocks, A Modifieds, B Modifieds | Results | | Bo Partain (B Modifieds) | 2nd | - | - | 2nd |
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| 11/9/2019 | Central Arizona Raceway - Casa Grande, AZ 360 Sprints - Winged: ASCS Southwest Region Stock Cars, A Modifieds, B Modifieds, Pure Stock, Pro Dwarf | Results | | Bo Partain (B Modifieds) | 2nd | - | - | 1st |
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| 11/14/2019 | Dirt Track at Las Vegas - Las Vegas, NV 22nd Annual Duel in the Desert A Modifieds: Duel in the Desert B Modifieds | Results | | Bo Partain (B Modifieds) | 5th | - | 8th | - |
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| 11/15/2019 | Dirt Track at Las Vegas - Las Vegas, NV 22nd Annual Duel in the Desert A Modifieds: Duel in the Desert B Modifieds | Results | | Bo Partain (B Modifieds) | 1st | - | - | 25th |
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| 11/16/2019 | Dirt Track at Las Vegas - Las Vegas, NV 22nd Annual Duel in the Desert A Modifieds: Duel in the Desert B Modifieds | Results | | Bo Partain (B Modifieds) | 5th | - | - | - |
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