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| 5/9/2015 | Park Jefferson International Speedway - Jefferson, SD Sensational Six - Opening Night Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Hornets | Results | | Sean Barragan (A Modifieds) | - | - | - | 9th |
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| 5/23/2015 | Park Jefferson International Speedway - Jefferson, SD 1st Annual Roger Hackett Memorial Hobby Stocks, Stock Cars, Sportsmans, A Modifieds, B Modifieds, Hornets | Results | | Sean Barragan (A Modifieds) | - | - | - | 5th |
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| 6/13/2015 | Park Jefferson International Speedway - Jefferson, SD Sensational Six Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Sean Barragan (A Modifieds) | - | - | - | 7th |
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| 6/27/2015 | Park Jefferson International Speedway - Jefferson, SD $5 Admission Family Fun Night! Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Sean Barragan (A Modifieds) | - | - | - | 5th |
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| 7/25/2015 | Park Jefferson International Speedway - Jefferson, SD Liberty National Bank Night-Modified Madness & Facebook Frenzy Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Sean Barragan (A Modifieds) | - | - | - | 9th |
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| 9/19/2015 | Park Jefferson International Speedway - Jefferson, SD 2nd Annual Iron Cup Prelim presented by J&J Fitting LLC. Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Sean Barragan (A Modifieds) | - | - | - | - |
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| 9/20/2015 | Park Jefferson International Speedway - Jefferson, SD 2nd Annual Iron Cup Finals presented by J&J Fitting LLC Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Street Stocks, Hornets | Results | | Sean Barragan (A Modifieds) | - | - | - | 18th |
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| 9/26/2015 | Park Jefferson International Speedway - Jefferson, SD Open Wheel Fest Featuring Nebraska 360 vs MSTS 360 Sprints - Sprints and Mods! 360 Sprints - Winged: Malvern Bank 360 Sprints with Midwest Sprint Touring Series A Modifieds, B Modifieds | Results | | Sean Barragan (A Modifieds) | - | - | - | 10th |
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| 10/3/2015 | Park Jefferson International Speedway - Jefferson, SD Fender Fest featuring SLMR Late Models Dirt Super Late Models, Hobby Stocks, Stock Cars, A Modifieds, B Modifieds, Hornets | Results | | Sean Barragan (A Modifieds) | - | - | - | 7th |
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