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| 4/21/2018 | Adams County Speedway - Corning, IA B&S Concrete and K&N Filter Night Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Jason O'Brien (Dirt Late Models) | 2nd | - | - | 6th |
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| 4/27/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Jason O'Brien (Dirt Super Late Models) | 1st | - | - | 23rd |
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| 5/5/2018 | Park Jefferson International Speedway - Jefferson, SD SLMR-Super Late Models plus IMCA Weekly Racing-Road to the Iron Cup IMCA Sport Mods Dirt Super Late Models: SLMR Late Model Series 305 Sprints - Winged, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Jason O'Brien (Dirt Super Late Models) | 3rd | - | - | 5th |
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| 5/11/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, B Modifieds, Dirt Late Models, Sport Compact | Results | | Jason O'Brien (Dirt Super Late Models) | 1st | - | - | 16th |
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| 5/18/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Jason O'Brien (Dirt Super Late Models) | 3rd | - | - | 9th |
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| 5/19/2018 | Adams County Speedway - Corning, IA R&S Collectible/ Southwest Cruisers of Iowa, Car Club- 2018 Hall Of Fame Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Jason O'Brien (Dirt Late Models) | 3rd | - | - | 3rd |
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| 5/25/2018 | Rapid Speedway - Rock Rapids, IA Weekly Racing Series + SLMR Dirt Super Late Models: SLMR Late Model Series DIRTcar Sportsmans, Hobby Stocks, Stock Cars, B Modifieds | Results | | Jason O'Brien (Dirt Super Late Models) | 3rd | - | - | 6th |
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| 5/26/2018 | Off Road Speedway - Norfolk, NE Stars and Stripes Weekend Dirt Super Late Models | Results | | Jason O'Brien (Dirt Super Late Models) | 2nd | - | - | 2nd |
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| 5/27/2018 | Interstate Speedway (SD) - Jefferson, SD Stars and Stripes Weekend Dirt Super Late Models: SLMR Late Model Series Dirt Late Models | Results | | Jason O'Brien (Dirt Super Late Models) | 4th | - | - | 11th |
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| 6/1/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Hobby Stocks, Stock Cars, B Modifieds, Dirt Late Models, Sport Compact | Results | | Jason O'Brien (Dirt Super Late Models) | 4th | - | - | 9th |
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| 6/2/2018 | Adams County Speedway - Corning, IA American Ethanol/Enogen/Growth Energy "Salute to Farming" Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Jason O'Brien (Dirt Late Models) | 1st | - | - | 1st |
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| 6/8/2018 | I-80 Speedway - Greenwood, NE Dirt Classic Dirt Super Late Models: SLMR Late Model Series 410 Sprints - Non-Winged: USAC National Sprint Cars A Modifieds | Results | | Jason O'Brien (Dirt Super Late Models) | 1st | - | - | 23rd |
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| 6/15/2018 | Lakeside Speedway - Kansas City, KS Dirt Super Late Models: SLMR Late Model Series | Results | | Jason O'Brien (Dirt Super Late Models) | 3rd | - | - | 3rd |
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| 6/16/2018 | Adams County Speedway - Corning, IA Malvern Bank Super Late Models Presented by Crop Production Services Dirt Super Late Models: SLMR Late Model Series Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jason O'Brien (Dirt Super Late Models) | 2nd | - | - | 1st |
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| 7/6/2018 | I-80 Speedway - Greenwood, NE Dirt Super Late Models, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Jason O'Brien (Dirt Super Late Models) | 6th | - | - | 9th |
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| 7/7/2018 | Adams County Speedway - Corning, IA Poet Biorefining-FAN APPRECIATION NIGHT- Chi Health Jr Speedster E-powered races Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Jason O'Brien (Dirt Late Models) | 1st | - | - | 2nd |
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| 7/19/2018 | I-80 Speedway - Greenwood, NE Silver Dollar Nationals, Night 1 Dirt Super Late Models: SLMR Late Model Series with Lucas Oil Late Model Dirt Series A Modifieds, Pro Late Model | Results | | Jason O'Brien (Dirt Super Late Models) | 1st | - | - | 8th |
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| 7/20/2018 | I-80 Speedway - Greenwood, NE Silver Dollar Nationals, Night 2 Dirt Super Late Models: Lucas Oil Late Model Dirt Series A Modifieds: USMTS - United States Modified Touring Series | Results | | Jason O'Brien (Dirt Super Late Models) | 3rd | - | - | - |
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| 7/21/2018 | I-80 Speedway - Greenwood, NE Silver Dollar Nationals, Night 3 Dirt Super Late Models: Lucas Oil Late Model Dirt Series A Modifieds: USMTS - United States Modified Touring Series | Results | | Jason O'Brien (Dirt Super Late Models) | - | - | - | 18th |
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| 7/27/2018 | Crawford County Speedway - Denison, IA Fair Races - SLMR Late Models - Vintage Cars Dirt Super Late Models: SLMR Late Model Series Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Jason O'Brien (Dirt Super Late Models) | 1st | - | - | 4th |
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| 7/28/2018 | Junction Motor Speedway - McCool Junction, NE Dirt Super Late Models: SLMR Late Model Series A Modifieds, B Modifieds | Results | | Jason O'Brien (Dirt Super Late Models) | 8th | - | 9th | 9th |
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| 8/11/2018 | Adams County Speedway - Corning, IA Northland Oil Night-STOCK CAR RACE OF CHAMPIONS Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Dirt Late Models, Sport Compact | Results | | Jason O'Brien (Dirt Late Models) | 3rd | - | - | 4th |
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| 8/18/2018 | Adams County Speedway - Corning, IA Malvern Bank Super Late Models Ray Houck Memorial Dirt Super Late Models: SLMR Late Model Series Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Sport Compact | Results | | Jason O'Brien (Dirt Super Late Models) | 1st | - | - | 7th |
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| 8/25/2018 | Junction Motor Speedway - McCool Junction, NE Dirt Super Late Models: SLMR Late Model Series A Modifieds, B Modifieds | Results | | Jason O'Brien (Dirt Super Late Models) | 4th | - | - | 12th |
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| 9/9/2018 | Eagle Raceway - Eagle, NE Nebraska Cup 305 Sprints - Winged: IMCA RaceSaver Sprints Dirt Super Late Models: SLMR Late Model Series Non-Winged Sprints: POWRi WAR Sprints 360 Sprints - Winged, 410 Sprints - Non-Winged | Results | | Jason O'Brien (Dirt Super Late Models) | 2nd | - | - | 5th |
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| 9/15/2018 | Knoxville Raceway - Knoxville, IA The Road to Knoxville Dirt Super Late Models: SLMR Late Model Series with Lucas Oil Late Model Dirt Series | Results | | Jason O'Brien (Dirt Super Late Models) | 7th | - | - | 28th |
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